[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/Vehicle.cpp

@@ -389,7 +389,6 @@ void Vehicle::Dismiss()
     RemoveAllPassengers();
     SendObjectDeSpawnAnim(GetGUID());
     CombatStop();
-    CleanupsBeforeDelete();
     AddObjectToRemoveList();
 }