Platform: remove deprecated GlfwApplication WindowFlag::Resizeable.

Deprecated in a7c7323673 (February 2017).
Use Resizable instead.

doc/changelog.dox

@@ -183,6 +183,9 @@ See also:
     since June 2016. Use the dedicated
     @ref Platform::Sdl2Application::mouseScrollEvent() "mouseScrollEvent()"
     API instead.
+-   Removed @cpp Platform::GlfwApplication::Configuration::WindowFlag::Resizeable @ce,
+    deprecated since February 2017. Use @ref Platform::GlfwApplication::Configuration::WindowFlag::Resizable
+    instead.
 
 @section changelog-2018-10 2018.10
 

src/Magnum/Platform/GlfwApplication.h

@@ -838,14 +838,6 @@ class GlfwApplication::Configuration {
         enum class WindowFlag: UnsignedShort {
             Fullscreen = 1 << 0,   /**< Fullscreen window */
             Resizable = 1 << 1,    /**< Resizable window */
-
-            #ifdef MAGNUM_BUILD_DEPRECATED
-            /** @copydoc WindowFlag::Resizable
-             * @deprecated Use @ref WindowFlag::Resizable instead.
-             */
-            Resizeable CORRADE_DEPRECATED_ENUM("use WindowFlag::Resizable instead") = UnsignedShort(WindowFlag::Resizable),
-            #endif
-
             Hidden = 1 << 2,       /**< Hidden window */
 
             #if defined(DOXYGEN_GENERATING_OUTPUT) || defined(GLFW_MAXIMIZED)