Revert "[GlobalISel] LegalizationArtifactCombiner: Elide redundant G_AND"

This reverts commit 3686a0b611c65f0d7190345b8e3e73cdca9fa657.
This seems to have broken some sanitizer tests:
https://lab.llvm.org/buildbot/#/builders/184/builds/7721

GitOrigin-RevId: 305fbc1b320364a4e70cea2d9987de2b0b14dcc5
185 files changed