Currently, both the mingw and w32api directories have
outdated config.sub and config.guess. Namely, they
don't have support the aliases for Pentium III or
Instead of importing the corrections, this patch
deletes those bogus copies and uses the toplevel
copies, like good GNU programs are supposed to.
The only catch is that autoconf, by default, only
searches two levels up for the toplevel, so the mingwex
and profile directories (being three away from the
toplevel) stopped working.
This was easy to fix by adding in one line to both of
those directory's configure.in.
Tested by compiling the winsup tree on both
i686-pc-cygwin and pentium4-pc-cygwin