Revert D27909732: [pytorch][PR] Support factory kwargs in torch.nn modules
Test Plan: revert-hammer
Differential Revision:
D27909732 (https://github.com/pytorch/pytorch/commit/5a09def9b0166b68c4a59386db7c1a1dd5ab52ba)
Original commit changeset: d8684b2403ab
fbshipit-source-id: d00d69fae4fa4ed58d9e97e70b27a06a0dcb39e4
