Revert D32452012: [pytorch][PR] Fix flaky test_nccl_timeout
Test Plan: revert-hammer
Differential Revision:
D32452012 (https://github.com/pytorch/pytorch/commit/faa1e8b7cf80fc8f67dc18af9e7005dc451ba5d3)
Original commit changeset: c959b25957f2
fbshipit-source-id: a2786744b12ceed350eec0ca2834f5176a4e21ee
