Back out "Create torch.distributed.shard package." (#72062)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/72062
Original commit changeset: dc692b31e260
Original Phabricator Diff: D33755913 (https://github.com/pytorch/pytorch/commit/87bbcf70f743529e7aea4252b985263e1fa7dd06)
Test Plan: CI
Reviewed By: pbelevich
Differential Revision: D33891115
fbshipit-source-id: 37286e03d743d8691319f07c95e9561d54f3d6d0
(cherry picked from commit 0c1b3fe00848a275d44d8c91fba91d3df6d4927f)