remove _s_where (#73468)
Summary:
Per title
Fixes https://github.com/pytorch/pytorch/issues/73135
Pull Request resolved: https://github.com/pytorch/pytorch/pull/73468
Reviewed By: albanD
Differential Revision: D34524207
Pulled By: ngimel
fbshipit-source-id: bc71e27b6d3fa50de6737533c92375266d9eadc5
(cherry picked from commit 047b925849370e6e4cbe9e3a722db52bb1e965b9)
