Revert D33716716: [pytorch][PR] Added remove_duplicate parameter to `nn.Module`
Test Plan: revert-hammer
Differential Revision:
D33716716 (https://github.com/pytorch/pytorch/commit/7e8217549fe9f0b2d0f959af8ba2d192b26dd959)
Original commit changeset: ff1ed9980bd1
Original Phabricator Diff: D33716716 (https://github.com/pytorch/pytorch/commit/7e8217549fe9f0b2d0f959af8ba2d192b26dd959)
fbshipit-source-id: 91c3d9acc5bc731da716dd0d2485431f85f861c9
(cherry picked from commit c81d193bf0fccbffdc009255bc85d0c287c1e409)
