Removing references to PYTHON3COMPATIMPORTS. (#35384)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/35384
Removing references to PYTHON3COMPATIMPORTS, mostly suppressions but
removed one instance of usage in a bash script.
Fixed errors arc lint uncovered.
Test Plan:
arc lint
Sandcastle tests
Reviewed By: zertosh
Differential Revision: D20635401
fbshipit-source-id: 74c6b5edb85a78a44f96b96f72ee75a9c2d029f1
