Update gfxGLWindowTarget.cpp

Engine/source/gfx/gl/gfxGLWindowTarget.cpp

@@ -57,7 +57,6 @@ void GFXGLWindowTarget::resetMode()
       _teardownCurrentMode();
       _setupNewMode();
    }
-   GFX->beginReset();
 }
 
 void GFXGLWindowTarget::_onAppSignal(WindowId wnd, S32 event)