cosmetic changes to remove mentions of QT4

GraphicsView/demo/Circular_kernel_2/Circular_kernel_2.cpp

@@ -287,9 +287,8 @@ int main(int argc, char **argv)
   app.setOrganizationName("GeometryFactory");
   app.setApplicationName("Circular_kernel_2 demo");
 
-  // Import resources from libCGAL (Qt4 or Qt5).
-  // See http://doc.trolltech.com/4.4/qdir.html#Q_INIT_RESOURCE
-  CGAL_QT_INIT_RESOURCES;//New for Qt5 version !
+  // Import resources from libCGAL (Qt5).
+  CGAL_QT_INIT_RESOURCES;
 
   MainWindow mainWindow;
   mainWindow.show();