top-level removal of dejagnu, expect

[DJ Delorie]

> > I don't doubt you will, but I was referring to porting, not fixing.
> > Red Hat has a lot of internal ports that we support through our
> > in-tree dejagnu that are still under NDA.
> 
> I'm not sure why you think moving to one copy of the FSF dejagnu
> sources will disturb that.

I was concerned about the toplevel build support, not the dejagnu
sources.  The toplevel makefile/configure can deal with dejagnu being
there or not, I see no need to remove such support.