Revert "[AMDGPU] prevent shrinking udiv/urem if either operand is in (SignedMax,UnsignedMax] (#116733)"
This reverts commit b8e1d4dbea8905e48d51a70bf75cb8fababa4a60.
Causes failures on the `libc` test suite https://lab.llvm.org/buildbot/#/builders/73/builds/8871