Revert "[GlobalISel] Fix the infinite loop issue in `commute_int_constant_to_rhs`"

This reverts commit 1f01c580
because combine-commute-int-const-lhs.mir test failed in
multiple builders.
https://lab.llvm.org/buildbot/#/builders/124/builds/10375
https://luci-milo.appspot.com/ui/p/fuchsia/builders/prod/clang-linux-x64/b8751607530180046481/overview