Revert "[libc][math][c23] Fix X86_Binary80 special cases for canonicalize functions. (#86924)"

This reverts commit 7c1c07c92099d3e36e8f362706a5824ab04bdf38.

Fails in presubmit.

Link: https://lab.llvm.org/buildbot/#/builders/90/builds/67461
Link: https://lab.llvm.org/buildbot/#/builders/225/builds/33519
Link: https://lab.llvm.org/buildbot/#/builders/163/builds/53858
Link: https://lab.llvm.org/buildbot/#/builders/250/builds/20983
Link: #86924
GitOrigin-RevId: d357324f7700188c9ef179a4bc7898079cf49b6f
3 files changed