code: def del_all_host_downtimes(self, host):
          
          for downtime in host.downtimes:
              self.del_host_downtime(downtime)
          self.send_an_element(host.get_update_status_brok())
docs: Delete all host downtimes
          Format of the line that triggers function call::
  
          DEL_ALL_HOST_DOWNTIMES;<host_name>
  
          :param host: host to edit
          :type host: alignak.objects.host.Host
          :return: None