Remove vrf_ucrt_object_map_, vrf_mcrt_object_map_ and vrf_l2rt_object_map_ from route_ksync as they are not used

Change-Id: I1a2fed9179e8af2d2e1e2a04ad56626fd99f9c17
Merge "Remove vrf_ucrt_object_map_, vrf_mcrt_object_map_ and vrf_l2rt_object_map_ from route_ksync as they are not used"