Update hub.load() signature to avoid polluting kwargs param (#63755)
Summary:
This PR addresses an old comment about Python2 EOL, directly putting some parameters in the function signature instead of in a `**kargs` dict.
I believe the changes are fully backward compatible.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/63755
Reviewed By: zou3519
Differential Revision: D30695634
Pulled By: NicolasHug
fbshipit-source-id: 398f347c5a04bfb58e77e46773a869cb9d0eb225
