pytorch

8565ae5a - Revert D21925406: [pytorch][PR] torch.multinomial : fast-path for replacement=False

Revert D21925406: [pytorch][PR] torch.multinomial : fast-path for replacement=False Test Plan: revert-hammer Differential Revision: D21925406 Original commit changeset: f2ee5148fa7d fbshipit-source-id: b1cac6ad463a83afb7eee83c6a9d575abf15072f