Clean up TextureMappingState a bit

src/Application/States/TextureMappingState.cpp

@@ -150,7 +150,6 @@ void TextureMappingState::onMouseReleased(Application * app, ofMouseEventArgs &
 	args.x -= _canvasTranslate.x;
 	args.y -= _canvasTranslate.y;
 
-	//app->getGui()->mouseReleased(args);
 	app->getGui()->stopDrag();
 	app->getGui()->getTextureEditor()->stopDragJoints();
 }