pytorch

cd5ed549 - Revert D33994546: [Quant][fx][improvement] Added test for quint4x2 for fx graph mode quantization (reland PR 69846)

Revert D33994546: [Quant][fx][improvement] Added test for quint4x2 for fx graph mode quantization (reland PR 69846) Test Plan: revert-hammer Differential Revision: D33994546 (https://github.com/pytorch/pytorch/commit/a5dad85c4fa153b29f5abe3d2634ae7f2def24bf) Original commit changeset: 3aa911752389 Original Phabricator Diff: D33994546 (https://github.com/pytorch/pytorch/commit/a5dad85c4fa153b29f5abe3d2634ae7f2def24bf) fbshipit-source-id: d9c5979efb035b227d14bff21f0c31ad8c841bc0 (cherry picked from commit d07fedcf47219cfeed030bdc0423fa948457998c)