[libc][math] Refactor ufromfp family to header-only (#195395)
Refactors the ufromfp math family to be header-only.
part of: #147386
Target Functions:
- ufromfp
- ufromfpbf16
- ufromfpf
- ufromfpf128
- ufromfpf16
- ufromfpl
- ufromfpx
- ufromfpxbf16
- ufromfpxf
- ufromfpxf128
- ufromfpxf16
- ufromfpxl
Co-authored-by: Muhammad Bassiouni <60100307+bassiounix@users.noreply.github.com>