[toplevel patch] delete references to tix

[Martin M. Hunt]

On Mon, 2003-03-10 at 11:18, Alexandre Oliva wrote:

> I don't think there's a public release that doens't include tix yet.
> Am I mistaken?  If so, I stand corrected, and the patch may very well
> go in now.

The last official release, gdb 5.3 had an Insight that still used tix.  
I don't recommend this version to Insight users, but I see your point
about builds.  I guess someone might still need the tix toplevel stuff;
I just left it in out of laziness and because it didn't affect anything.

Martin