pytorch

c44e33b5 - Revert D17889288: [pytorch][PR] Migrate soft_margin_loss from the TH to Aten (CUDA+CPU)

Revert D17889288: [pytorch][PR] Migrate soft_margin_loss from the TH to Aten (CUDA+CPU) Test Plan: revert-hammer Differential Revision: D17889288 Original commit changeset: 9ddffe4dbbfa fbshipit-source-id: 4fc6156ba38834512b2f735ac0d03e34e69b7286