Make XEmacs compat code in gamegrid.el obsolete

* lisp/play/gamegrid.el (gamegrid-make-glyph): Warn on using obsolete
XEmacs style glyph.  (This is currently unused in the Emacs tree.)
(gamegrid-make-image-from-vector): Make obsolete.
3 jobs for master in 33 minutes and 43 seconds (queued for 6 seconds)
Status Job ID Name Coverage
  Build Images
failed #46595
build-image-inotify

00:33:43

 
  Normal
skipped #46596
test-lisp-play-inotify
skipped #46597
test-src-inotify
 
Name Stage Failure
failed
build-image-inotify Build Images
------
executor failed running [/bin/sh -c make bootstrap]: exit code: 2
Running after_script
Running after script...
$ test -n "$(docker ps -aq -f name=${test_name})" && docker cp ${test_name}:checkout/test ${test_name}
$ test -n "$(docker ps -aq -f name=${test_name})" && docker rm ${test_name}
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
find: build-image-inotify-59910c32: No such file or directory
Cleaning up file based variables
ERROR: Job failed: exit code 1