code: def delete_agent_pool(self, pool_id):
          
          route_values = {}
          if pool_id is not None:
              route_values['poolId'] = self._serialize.url('pool_id', pool_id, 'int')
          self._send(http_method='DELETE',
                     location_id='a8c47e17-4d56-4a56-92bb-de7ea7dc65be',
                     version='5.1-preview.1',
                     route_values=route_values)
docs: DeleteAgentPool.
          [Preview API] Delete an agent pool.
          :param int pool_id: ID of the agent pool to delete