Remove Python version upper boundary check (#46315)
Summary:
This prevents setup.py from erroring out when Python-3.9 is used
Fixes https://github.com/pytorch/pytorch/issues/46314
Pull Request resolved: https://github.com/pytorch/pytorch/pull/46315
Reviewed By: heitorschueroff
Differential Revision: D24304846
Pulled By: malfet
fbshipit-source-id: 573a88ea8c1572d7d8a9991539effb3c228bffc9
