pytorch

4bbc49f5 - Revert D21143025: [reland][quant] QuantizedCUDA implementation

Revert D21143025: [reland][quant] QuantizedCUDA implementation Test Plan: revert-hammer Differential Revision: D21143025 Original commit changeset: 11405e2e8f87 fbshipit-source-id: ce471ec95c1fc6abff6d1bbdba11bef02f3a0d62