Remove SourceLocation (respin) (#20333)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/20333
ghimport-source-id: e64075bb82067224463e9955d10bd13967d1975d
Differential Revision: D15284081
Pulled By: zdevito
fbshipit-source-id: ac26ae48392b9daff08f460529c06af8f4e4722a
