[TensorExpr] Move 2 graph passes from kernel.cpp to graph_opt.cpp (#64828)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/64828
Also, make `removeUnusedSelfArgument` more consistent with other passes
by mutating the graph in-place rather than returning a copy.
Test Plan: Imported from OSS
Reviewed By: ngimel
Differential Revision: D30870776
Pulled By: ZolotukhinM
fbshipit-source-id: 4873f01b013921143a5aa43746d655a2d8d620c9
Author
Mikhail Zolotukhin
