Back out "[Gradient Compression] Surface C++ comm hooks to Python API as built-in comm hooks" (#47234)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/47234
Revert the diff because of https://github.com/pytorch/pytorch/issues/47153
Original PR issue: C++ DDP Communication Hook https://github.com/pytorch/pytorch/issues/46348
ghstack-source-id: 115720415
Test Plan: waitforbuildbot
Reviewed By: mrshenli
Differential Revision: D24691866
fbshipit-source-id: 58fe0c45943a2ae2a09fe5d5eac4a4d947586539
