[8102] Simplify code base at new root method WorldObject::CleanupsBeforeDelete Author: VladimirMangos

* Call it from Map::AddObjectToRemoveList and remove now not needed explcit calls
    * Create Gameobject version to make GO with owner more safe for remove

--HG--
branch : trunk

src/game/PoolHandler.cpp

@@ -127,10 +127,7 @@ void PoolGroup<Creature>::Despawn1Object(uint32 guid)
         objmgr.RemoveCreatureFromGrid(guid, data);
 
         if (Creature* pCreature = ObjectAccessor::Instance().GetObjectInWorld(MAKE_NEW_GUID(guid, data->id, HIGHGUID_UNIT), (Creature*)NULL))
-        {
-            pCreature->CleanupsBeforeDelete();
             pCreature->AddObjectToRemoveList();
-        }
     }
 }