Remove unused code

apps/openmw/mwrender/animation.cpp

@@ -1157,8 +1157,6 @@ namespace MWRender
         if (!mLightListCallback)
             mLightListCallback = new SceneUtil::LightListCallback;
         mObjectRoot->addCullCallback(mLightListCallback);
-
-        objectRootReset();
     }
 
     osg::Group* Animation::getObjectRoot()

apps/openmw/mwrender/animation.hpp

@@ -310,8 +310,6 @@ protected:
      */
     void setObjectRoot(const std::string &model, bool forceskeleton, bool baseonly, bool isCreature);
 
-    virtual void objectRootReset() {}
-
     /** Adds the keyframe controllers in the specified model as a new animation source. Note that the .nif
      * file extension will be replaced with .kf.
      * @note Later added animation sources have the highest priority when it comes to finding a particular animation.