Revert D34957139: [pytorch][PR] Automated submodule update: FBGEMM
Test Plan: revert-hammer
Differential Revision:
D34957139 (https://github.com/pytorch/pytorch/commit/d8c0f2f35d68b1f444d574d574e04ac26ddb6271)
Original commit changeset: 67672c6f10bb
Original Phabricator Diff: D34957139 (https://github.com/pytorch/pytorch/commit/d8c0f2f35d68b1f444d574d574e04ac26ddb6271)
fbshipit-source-id: c50f66809f913f80098b4acbdf7778dfd2d1fc06
(cherry picked from commit f730ccf6e1b1b678cd67a0e38df04d9b9dbf450c)
