Revert D27855386: [pytorch][PR] Support factory kwargs in torch.nn modules
Test Plan: revert-hammer
Differential Revision:
D27855386 (https://github.com/pytorch/pytorch/commit/40483acc512ff1964f2416b2bdf0e8f5a8157885)
Original commit changeset: dabd505d2a04
fbshipit-source-id: f5bf3120d87861b30a8e1bf11977ad7d27cd8500
