Revert D30359218: [pytorch][PR] [doc] pre-commit fix instructions
Test Plan: revert-hammer
Differential Revision:
D30359218 (https://github.com/pytorch/pytorch/commit/4e1d84ae8fae49995c8966ccbe0f34360978492f)
Original commit changeset: 61771babeac4
fbshipit-source-id: c2ac0a4a7463fafa03ad0b20bfb0701a8c1476c4
