Remove BC hack (#38571)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/38571
Test Plan: Imported from OSS
Reviewed By: ZolotukhinM
Differential Revision: D21600325
Pulled By: jamesr66a
fbshipit-source-id: 9c1d53c2271702ad21cab07aafbd3bb16b474308
