'remove vni protocol type'

def config_delete_vni_protocol_type(self, nve_name, vni_id, protocol_type):

    if (not self.is_vni_protocol_exist(nve_name, vni_id, protocol_type)):
        return
    cfg_xml = (CE_NC_DELETE_VNI_PROTOCOL % (nve_name, vni_id, protocol_type))
    recv_xml = set_nc_config(self.module, cfg_xml)
    self.check_response(recv_xml, 'DELETE_VNI_PEER_PROTOCOL')
    self.updates_cmd.append(('interface    %s' % nve_name))
    self.updates_cmd.append(('undo    vni    %s    head-end    peer-list    protocol    bgp    ' % vni_id))
    self.changed = True
