undoing font fix due new Qt dependencies

src/mtsgui/main.cpp

@@ -217,18 +217,6 @@ int main(int argc, char *argv[]) {
 	qRegisterMetaType<ELogLevel>("ELogLevel");
 	qRegisterMetaType<fs::path>("fs::path");
 
-#if defined(__OSX__)
-    SInt32 versMaj, versMin;
-    Gestalt(gestaltSystemVersionMajor, &versMaj);
-    Gestalt(gestaltSystemVersionMinor, &versMin);
-
-    if (versMaj*100+versMin > 1008) {
-        // fix Mac OS X 10.9 (mavericks) font issue
-        // https://bugreports.qt-project.org/browse/QTBUG-32789
-        QFont::insertSubstitution(".Lucida Grande UI", "Lucida Grande");
-    }
-#endif
-
 	MitsubaApplication app(argc, argv);
 	try {
 		QFile stylesheet(":/resources/stylesheet.css");