'remove ospf area'

def remove_area(self):

    if (not self.is_area_exist()):
        return
    xml_area = (CE_NC_XML_BUILD_DELETE_AREA % (self.get_area_ip(), ''))
    xml_str = (CE_NC_XML_BUILD_PROCESS % (self.process_id, xml_area))
    recv_xml = set_nc_config(self.module, xml_str)
    self.check_response(recv_xml, 'DELETE_AREA')
    self.updates_cmd.append(('ospf    %s' % self.process_id))
    self.updates_cmd.append(('undo    area    %s' % self.get_area_ip()))
    self.changed = True
