Remove XEmacs compat code from cedet

Remove XEmacs compat code from cedet

* lisp/cedet/srecode/mode.el (srecode-menu-bar):
* lisp/cedet/semantic/wisent/comp.el (wisent-debug-flag)
(wisent-print-results):
* lisp/cedet/semantic/util-modes.el
(semantic-stickyfunc-indent-string)
(semantic-stickyfunc-header-line-format)
(semantic-highlight-func-mode-map):
* lisp/cedet/semantic/symref/list.el
(semantic-symref-list-menu-entries):
* lisp/cedet/semantic/idle.el ()
(semantic-idle-breadcrumbs-popup-menu):
* lisp/cedet/semantic/grammar.el (semantic-grammar-item-value)
(semantic-grammar-create-package)
(semantic-grammar-batch-build-packages)
(semantic-grammar-setup-menu):
* lisp/cedet/semantic/fw.el (semantic-overlay-live-p)
(semantic-event-window, semantic-make-local-hook)
(semantic-run-mode-hooks, semantic-subst-char-in-string)
(semantic-menu-item, semantic-find-file-noselect):
* lisp/cedet/semantic/format.el (semantic-format-face-alist)
(semantic--format-colorize-merge-text):
* lisp/cedet/semantic/decorate/include.el ()
(semantic-decoration-on-include-menu)
(semantic-decoration-on-unknown-include-menu)
(semantic-decoration-on-fileless-include-menu)
(semantic-decoration-on-unparsed-include-menu):
* lisp/cedet/semantic/decorate.el (semantic-set-tag-read-only)
(semantic-tag-read-only-p):
* lisp/cedet/mode-local.el (activate-mode-local-bindings):
* lisp/cedet/data-debug.el (data-debug-overlay-properties): Remove
XEmacs compat code.