pytorch

33430cf0 - Revert D18643137: Implement backend-agnostic rpc._wait_all_workers() utility

Revert D18643137: Implement backend-agnostic rpc._wait_all_workers() utility Test Plan: revert-hammer Differential Revision: D18643137 Original commit changeset: d669d4fc9ad6 fbshipit-source-id: fe1f8ed77c1c5760638fef06e67ba100b86c33e9