Deprecating Python 3.6 (#70493)
Summary:
Deprecating python 3.6 from documentation and from cmake
Pull Request resolved: https://github.com/pytorch/pytorch/pull/70493
Reviewed By: suo
Differential Revision: D33433118
Pulled By: atalman
fbshipit-source-id: c3adc7b75714efdb5b6acda5d4cddc068fb4a145
