Revert D30634700: [pytorch][PR] Fix typo in tensor docs
Test Plan: revert-hammer
Differential Revision:
D30634700 (https://github.com/pytorch/pytorch/commit/d937473709956ddb87257360445f9b2d0b2fec55)
Original commit changeset: e8952be20966
fbshipit-source-id: b18694e332023abcdf17ec1900b81b00d21f1014
