Remove the version pin on Kornia (#1848)
Summary:
The bug with PyTorch nightly has been fixed.
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1848
Reviewed By: aaronenyeshi
Differential Revision: D48657690
Pulled By: xuzhao9
fbshipit-source-id: e9e0417a6653a0e020f8150618b4781bd87bd76b
