docs: def destroy(self):
          """Remove a unit from the fleet cluster
  
          Returns:
              True: The unit was removed
  
          Raises:
              fleet.v1.errors.APIError: Fleet returned a response code >= 400
  
          """
  
          # if this unit didn't come from fleet, we can't destroy it
          if not self._is_live():
              raise RuntimeError('A unit must be submitted to fleet before it can destroyed.')
  
          return self._client.destroy_unit(self.name)