pytorch

87363a81 - Revert D18466043: Pin Linux image and modules version to 4.4.0-166

Revert D18466043: Pin Linux image and modules version to 4.4.0-166 Test Plan: revert-hammer Differential Revision: D18466043 Original commit changeset: d3c69c9ab3bf fbshipit-source-id: 49365be7edf82923ade9c17b862f6e942c62b1ac