MagnumFont: removed some probably forgotten debug output.

src/Plugins/MagnumFont/MagnumFont.cpp

@@ -78,7 +78,7 @@ void MagnumFont::doOpenData(const std::vector<std::pair<std::string, Containers:
     std::istringstream in({reinterpret_cast<const char*>(data[0].second.begin()), data[0].second.size()});
     Utility::Configuration conf(in, Utility::Configuration::Flag::SkipComments);
     if(!conf.isValid() || conf.isEmpty()) {
-        Error() << "Text::MagnumFont::openData(): cannot open file" << data[0].first << conf.isValid();
+        Error() << "Text::MagnumFont::openData(): cannot open file" << data[0].first;
         return;
     }