PROPOSAL: remove utils/msdos from cvs

[DJ Delorie]

> * utils/msdos is totally obselete.
> * it is never built by anything in the tree.
> * it contains, of all things, binaries.
> 
> I propose that all the files in it and its subdirectories be removed
> from CVS.

I've proposed that myself many times ;) I think it's scheduled for
deletion when the 29k targets are removed from gdb.

Most of the sources for those hard-to-build binaries are in
utils/amd-udi/