message: PSv2: Remove unused `Closure._set_output_remote_values_aborted` method.
diff: @@ -324,11 +324,6 @@ class Closure(object):
  # It will do nothing if there is no return value.
  nest.map_structure(lambda x: x.fetch(), self._output_remote_values) # pylint: disable=protected-access
  - def _set_output_remote_values_aborted(self):
  - """Set output remote_value aborted."""
  - # It will do nothing if there is no return value.
  - nest.map_structure(lambda x: x._set_aborted(), self._output_remote_values) # pylint: disable=protected-access
  -
  def _set_output_remote_values_cancelled(self):
  nest.map_structure(
  lambda x: x._set_error( # pylint: disable=protected-access,g-long-lambda
  