pytorch

956a25d0 - Revert D23858329: [PT Model Split] Support 2 operators in PT by C2 conversion

Revert D23858329: [PT Model Split] Support 2 operators in PT by C2 conversion Test Plan: revert-hammer Differential Revision: D23858329 (https://github.com/pytorch/pytorch/commit/721cfbf8425cf2c1dc5e27d1332e32e1a42ef541) Original commit changeset: ed37118ca7f0 fbshipit-source-id: 30c700f80665be11afc608b00a77766064e60b35