Core/Transports: undo all custom transport changes as preparation for cherry picks

src/server/game/Globals/ObjectMgr.h

@@ -1603,8 +1603,6 @@ class TC_GAME_API ObjectMgr
 
         bool IsTransportMap(uint32 mapId) const { return _transportMaps.count(mapId) != 0; }
 
-        uint32 GetGameObjectTypeByEntry(uint32 entry) const;
-
         VehicleSeatAddon const* GetVehicleSeatAddon(uint32 seatId) const
         {
             VehicleSeatAddonContainer::const_iterator itr = _vehicleSeatAddonStore.find(seatId);