pytorch

931100f8 - Revert D26696938: Update and expose ZeroRedundancyOptimizer docs

Revert D26696938: Update and expose ZeroRedundancyOptimizer docs Test Plan: revert-hammer Differential Revision: D26696938 (https://github.com/pytorch/pytorch/commit/a586c02962f614c43370fa1eede5ca0aedadafd2) Original commit changeset: dafb00e5c9f0 fbshipit-source-id: b08604d2009f4df7b620699dd6659dfed2b02792