GTK eradication -- the build chain.

GTK eradication -- the build chain.

The GTK code in SXEmacs has been stagnating since 2000, 4 years before
SXEmacs even came into existance.  It was GTK version 1.  Nobody, nowhere
uses GTKv1 any more, so this stuff is going to /dev/null hell!

	* src/ui/Makefile.am: Don't add `Gtk' to SUBDIRS

	* src/Makefile.am: Don't add gtk to pdumplibs.

	* lisp/Makefile.am (corelispels): Remove all the gtk/gnome elisp.

	* lisp/dumped-lisp.el: Don't dump any gtk lisp.

	* m4/sxe-summary.m4: No more gtk.

	* m4/sxe-gui.m4 (SXE_CHECK_XT_DEPENDENCIES): Remove gtk stuff.

	* m4/sxe-gui.m4 (SXE_CHECK_GTK_DEPENDENCIES): Removed.

	* m4/sxe-gui.m4 (SXE_CHECK_UI_SUFFICIENCY): Don't subst gtk obj's

	* configure.ac: Remove all gtk nonsense.

Signed-off-by: Steve Youngs <steve@sxemacs.org>