'remove vni to bd id'

def config_delete_vni2bd(self, bd_id, vni_id):

    if (not self.is_vni_bd_exist(vni_id, bd_id)):
        return
    cfg_xml = (CE_NC_DELETE_VNI_BD_ID % (vni_id, bd_id))
    recv_xml = set_nc_config(self.module, cfg_xml)
    self.check_response(recv_xml, 'DELETE_VNI_BD')
    self.updates_cmd.append(('bridge-domain    %s' % bd_id))
    self.updates_cmd.append(('undo    vxlan    vni    %s' % vni_id))
    self.changed = True
