Delete all pre py-3.10 checks (#163653)
Summary:
X-link: https://github.com/pytorch/pytorch/pull/163653
Approved by: https://github.com/jansel
ghstack dependencies: #163648, #163649
Reviewed By: Camyll
Differential Revision: D83118075
fbshipit-source-id: a4f45ad960b2303378f07f67c8b485cf020a3be2
