Revert D33004315: Support torch.equal for ShardedTensor.
Test Plan: revert-hammer
Differential Revision:
D33004315 (https://github.com/pytorch/pytorch/commit/1c4c81622cba4faa2136f26c4f3396e8e051864d)
Original commit changeset: 786fe26baf82
Original Phabricator Diff: D33004315 (https://github.com/pytorch/pytorch/commit/1c4c81622cba4faa2136f26c4f3396e8e051864d)
fbshipit-source-id: e1dda70fea656834fdf0f2a9f874415f7b460c6e
