We don't use Tix in Insight anymore.  Committed as obvious.

2002-11-26  Martin M. Hunt  <hunt@redhat.com>

	* Makefile.in: Remove Tix dependencies.
	* acinclude.m4: Ditto.
	* aclocal.m4: Ditto.
	* configure.in: Ditto.
	* configure: Regenerated.