Remove a few more obsolete parts.

Change-Id: I3a001f01ab7fd8cf63452126037b98c1b01df80d
Reviewed-on: http://codereview.qt.nokia.com/1797
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Jonas Rabbe <jonas.rabbe@nokia.com>

examples/audiodevices/main.cpp

@@ -48,11 +48,7 @@ int main(int argv, char **args)
     app.setApplicationName("Audio Device Test");
 
     AudioTest audio;
-#ifdef Q_OS_SYMBIAN
-    audio.showMaximized();
-#else
     audio.show();
-#endif
 
     return app.exec();
 }