code: def _delete_nve_db(self, vni, device_id, mcast_group, host_id):
          
          rows = nxos_db.get_nve_vni_deviceid_bindings(vni, device_id)
          for row in rows:
              nxos_db.remove_nexusnve_binding(vni, row.switch_ip, device_id)
docs: Delete the nexus NVE database entry.
  
          Called during delete precommit port event.