CMake: drop notes about old CMake on old Xcode Travis images.

None of that is relevant anymore, especially given the broken feature
affects something we don't even support.

src/Magnum/DebugTools/Test/CMakeLists.txt

@@ -44,11 +44,6 @@ if(MAGNUM_WITH_TRADE)
         set(COMPAREIMAGETEST_SAVE_DIR ${CMAKE_CURRENT_BINARY_DIR}/write)
     endif()
 
-    # CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-    # https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since
-    # Corrade doesn't support dynamic plugins on iOS, this sorta works around
-    # that. Should be revisited when updating Travis to newer Xcode (xcode7.3
-    # has CMake 3.6).
     if(NOT MAGNUM_BUILD_PLUGINS_STATIC)
         if(MAGNUM_WITH_ANYIMAGEIMPORTER)
             set(ANYIMAGEIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnyImageImporter>)

src/Magnum/GL/Test/CMakeLists.txt

@@ -104,11 +104,6 @@ if(MAGNUM_BUILD_GL_TESTS)
         set(RENDERERGLTEST_FILES_DIR ${CMAKE_CURRENT_SOURCE_DIR}/RendererGLTestFiles)
     endif()
 
-    # CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-    # https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since
-    # Corrade doesn't support dynamic plugins on iOS, this sorta works around
-    # that. Should be revisited when updating Travis to newer Xcode (xcode7.3
-    # has CMake 3.6).
     if(NOT MAGNUM_BUILD_PLUGINS_STATIC)
         if(MAGNUM_WITH_ANYIMAGEIMPORTER)
             set(ANYIMAGEIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnyImageImporter>)

src/Magnum/MeshTools/Test/CMakeLists.txt

@@ -75,11 +75,6 @@ if(MAGNUM_BUILD_GL_TESTS)
         set(MESHTOOLS_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
     endif()
 
-    # CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-    # https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since
-    # Corrade doesn't support dynamic plugins on iOS, this sorta works around
-    # that. Should be revisited when updating Travis to newer Xcode (xcode7.3
-    # has CMake 3.6).
     if(NOT MAGNUM_BUILD_PLUGINS_STATIC)
         if(MAGNUM_WITH_ANYIMAGEIMPORTER)
             set(ANYIMAGEIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnyImageImporter>)

src/Magnum/Shaders/Test/CMakeLists.txt

@@ -54,11 +54,6 @@ if(MAGNUM_BUILD_GL_TESTS)
         set(SHADERS_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
     endif()
 
-    # CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-    # https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since
-    # Corrade doesn't support dynamic plugins on iOS, this sorta works around
-    # that. Should be revisited when updating Travis to newer Xcode (xcode7.3
-    # has CMake 3.6).
     if(NOT MAGNUM_BUILD_PLUGINS_STATIC)
         if(MAGNUM_WITH_ANYIMAGEIMPORTER)
             set(ANYIMAGEIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnyImageImporter>)

src/Magnum/TextureTools/Test/CMakeLists.txt

@@ -39,11 +39,6 @@ if(MAGNUM_BUILD_GL_TESTS)
     # Otherwise CMake complains that Corrade::PluginManager is not found, wtf
     find_package(Corrade REQUIRED PluginManager)
 
-    # CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-    # https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since
-    # Corrade doesn't support dynamic plugins on iOS, this sorta works around
-    # that. Should be revisited when updating Travis to newer Xcode (xcode7.3
-    # has CMake 3.6).
     if(NOT MAGNUM_BUILD_PLUGINS_STATIC)
         if(MAGNUM_WITH_ANYIMAGEIMPORTER)
             set(ANYIMAGEIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnyImageImporter>)

src/Magnum/Vk/Test/CMakeLists.txt

@@ -39,11 +39,6 @@ if(MAGNUM_BUILD_VK_TESTS)
         set(VK_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
     endif()
 
-    # CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-    # https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since
-    # Corrade doesn't support dynamic plugins on iOS, this sorta works around
-    # that. Should be revisited when updating Travis to newer Xcode (xcode7.3
-    # has CMake 3.6).
     if(NOT MAGNUM_BUILD_PLUGINS_STATIC)
         if(MAGNUM_WITH_ANYIMAGEIMPORTER)
             set(ANYIMAGEIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnyImageImporter>)

src/MagnumPlugins/AnyAudioImporter/Test/CMakeLists.txt

@@ -33,10 +33,6 @@ else()
     set(WAVAUDIOIMPORTER_TEST_DIR ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/WavAudioImporter/Test)
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_ANYAUDIOIMPORTER_BUILD_STATIC)
     set(ANYAUDIOIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnyAudioImporter>)
     if(MAGNUM_WITH_WAVAUDIOIMPORTER)

src/MagnumPlugins/AnyImageConverter/Test/CMakeLists.txt

@@ -40,10 +40,6 @@ else()
     set(ANYIMAGEIMPORTER_TEST_DIR ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/AnyImageImporter/Test)
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_ANYIMAGECONVERTER_BUILD_STATIC)
     set(ANYIMAGECONVERTER_PLUGIN_FILENAME $<TARGET_FILE:AnyImageConverter>)
     if(MAGNUM_WITH_TGAIMAGECONVERTER)

src/MagnumPlugins/AnyImageImporter/Test/CMakeLists.txt

@@ -33,10 +33,6 @@ else()
     set(ANYIMAGEIMPORTER_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_ANYIMAGEIMPORTER_BUILD_STATIC)
     set(ANYIMAGEIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnyImageImporter>)
     if(MAGNUM_WITH_TGAIMPORTER)

src/MagnumPlugins/AnySceneConverter/Test/CMakeLists.txt

@@ -37,10 +37,6 @@ else()
     set(ANYSCENEIMPORTER_TEST_DIR ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/AnySceneImporter/Test)
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_ANYSCENECONVERTER_BUILD_STATIC)
     set(ANYSCENECONVERTER_PLUGIN_FILENAME $<TARGET_FILE:AnySceneConverter>)
     if(MAGNUM_WITH_TGAIMAGECONVERTER)

src/MagnumPlugins/AnySceneImporter/Test/CMakeLists.txt

@@ -35,10 +35,6 @@ else()
     set(OBJIMPORTER_TEST_DIR ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/ObjImporter/Test)
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_ANYSCENEIMPORTER_BUILD_STATIC)
     set(ANYSCENEIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:AnySceneImporter>)
     if(MAGNUM_WITH_OBJIMPORTER)

src/MagnumPlugins/AnyShaderConverter/Test/CMakeLists.txt

@@ -35,10 +35,6 @@ else()
     set(ANYSHADERCONVERTER_TEST_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_ANYSHADERCONVERTER_BUILD_STATIC)
     set(ANYSHADERCONVERTER_PLUGIN_FILENAME $<TARGET_FILE:AnyShaderConverter>)
 endif()

src/MagnumPlugins/MagnumFont/Test/CMakeLists.txt

@@ -33,10 +33,6 @@ else()
     set(MAGNUMFONT_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_MAGNUMFONT_BUILD_STATIC)
     set(MAGNUMFONT_PLUGIN_FILENAME $<TARGET_FILE:MagnumFont>)
     set(TGAIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:TgaImporter>)

src/MagnumPlugins/MagnumFontConverter/Test/CMakeLists.txt

@@ -35,10 +35,6 @@ else()
     set(MAGNUMFONT_TEST_DIR ${PROJECT_SOURCE_DIR}/src/MagnumPlugins/MagnumFont/Test)
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_MAGNUMFONTCONVERTER_BUILD_STATIC)
     set(MAGNUMFONTCONVERTER_PLUGIN_FILENAME $<TARGET_FILE:MagnumFontConverter>)
     set(TGAIMAGECONVERTER_PLUGIN_FILENAME $<TARGET_FILE:TgaImageConverter>)

src/MagnumPlugins/ObjImporter/Test/CMakeLists.txt

@@ -33,10 +33,6 @@ else()
     set(OBJIMPORTER_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_OBJIMPORTER_BUILD_STATIC)
     set(OBJIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:ObjImporter>)
 endif()

src/MagnumPlugins/TgaImageConverter/Test/CMakeLists.txt

@@ -27,10 +27,6 @@
 # property that would have to be set on each target separately.
 set(CMAKE_FOLDER "MagnumPlugins/TgaImageConverter/Test")
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_TGAIMAGECONVERTER_BUILD_STATIC)
     set(TGAIMAGECONVERTER_PLUGIN_FILENAME $<TARGET_FILE:TgaImageConverter>)
     if(MAGNUM_WITH_TGAIMPORTER)

src/MagnumPlugins/TgaImporter/Test/CMakeLists.txt

@@ -33,10 +33,6 @@ else()
     set(TGAIMPORTER_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_TGAIMPORTER_BUILD_STATIC)
     set(TGAIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:TgaImporter>)
 endif()

src/MagnumPlugins/WavAudioImporter/Test/CMakeLists.txt

@@ -33,10 +33,6 @@ else()
     set(WAVAUDIOIMPORTER_TEST_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
-# CMake before 3.8 has broken $<TARGET_FILE*> expressions for iOS (see
-# https://gitlab.kitware.com/cmake/cmake/merge_requests/404) and since Corrade
-# doesn't support dynamic plugins on iOS, this sorta works around that. Should
-# be revisited when updating Travis to newer Xcode (xcode7.3 has CMake 3.6).
 if(NOT MAGNUM_WAVAUDIOIMPORTER_BUILD_STATIC)
     set(WAVAUDIOIMPORTER_PLUGIN_FILENAME $<TARGET_FILE:WavAudioImporter>)
 endif()