Purge SXEmacs of tooltalk -- remainding tidy up

Purge SXEmacs of tooltalk -- remainding tidy up

Finger's crossed, this is the END of tooltalk.  Yay!

	* PROBLEMS: Delete the tooltalk stuff.

	* etc/tests/external-widget/Makefile (CFLAGS): Remove the
	-DTOOLTALK flag

	* etc/tests/external-widget/test-ew-motif.c (handle_tt_input):
	Remove.  It was tooltalk.

	* etc/tests/external-widget/test-ew-motif.c
	(HxInitializeToolTalk): Ditto.

	* etc/tests/external-widget/test-ew-motif.c (main): Don't call
	HxInitializeToolTalk().

	* info/external-widget.texi (Using an External Client Widget):
	Don't mention tooltalk.

	* src/events/event-stream.c (execute_internal_event): Mention in
	comments relating to tooltalk to revisit with D-Bus

	* src/ui/X11/ExternalClient.h (XtNuseToolTalk): Remove.

	* src/ui/X11/ExternalClient.h (XtCUseToolTalk): Ditto.

	* .gitignore: Remove tooltalk directory.

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