Remove XEmacs and old Emacs compat code from ebnf2ps.el

* lisp/progmodes/ebnf2ps.el (ebnf-color-p)
(ebnf-style-database): Remove XEmacs and old Emacs compat code.
1 job for master in 57 minutes and 17 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Test
passed #4809
test-all

00:57:17