Turn off scalar_check for fmod. (#29871)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/29871
Generated code diff: https://gist.github.com/gchanan/cba4ac79afa00a48eaff0aabc60d17cc
Test Plan: Imported from OSS
Differential Revision: D18521736
Pulled By: gchanan
fbshipit-source-id: 364fc2aeba5315d0729a9f7f74c5e9ad64c30e45
