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/spectrum/app/main.cpp

@@ -47,11 +47,7 @@ int main(int argc, char **argv)
     app.setApplicationName("QtMultimediaKit spectrum analyzer");
     MainWidget w;
 
-#ifdef Q_OS_SYMBIAN
-    w.showMaximized();
-#else
     w.show();
-#endif
 
     return app.exec();
 }