Remove some Q_WS_MAEMO_6 instances from examples.

Some of this stuff no longer worked (setGraphicsSystem..) and generally speaking
it just doesn't make much sense: widgets on Harmattan were never really a
supported platform.

Change-Id: Ia853c6b3297075f32e51d68a05121f700509632d
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>

examples/multimediawidgets/player/main.cpp

@@ -44,10 +44,6 @@
 
 int main(int argc, char *argv[])
 {
-#ifdef Q_WS_MAEMO_6
-    //Meego graphics system conflicts with xvideo during fullscreen transition
-    QApplication::setGraphicsSystem("raster");
-#endif
     QApplication app(argc, argv);
 
     Player player;