Remove pyproject.toml (#61367)
Summary:
This reverts https://github.com/pytorch/pytorch/issues/60408, since it doesn't really give much benefit, and it ended up breaking things:
- https://github.com/pytorch/pytorch/issues/60665
- https://github.com/pytorch/pytorch/pull/60408#issuecomment-873979383
Pull Request resolved: https://github.com/pytorch/pytorch/pull/61367
Reviewed By: malfet, janeyx99
Differential Revision: D29593886
Pulled By: samestep
fbshipit-source-id: b1ba0ac7695e3eacf66a35e293080e8a1240efca
