Remove nightly suffix from nightlies; upload to pytorch-nightly. (#23752)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/23752
Signed-off-by: Edward Z. Yang <ezyang@fb.com>
Test Plan: Imported from OSS
Differential Revision: D16657471
Pulled By: ezyang
fbshipit-source-id: 4d8fcde1d10d4b078c76c643adb6d4a4fc1259c6
