Ensure elisp-mode code is lazy loaded

This prevents the unnecessary eager-loading of many autodefs (and
evil-collection-elisp-mode), since the elisp-mode package is always
available at startup.

modules/lang/emacs-lisp/config.el

@@ -1,8 +1,8 @@
 ;;; lang/emacs-lisp/config.el -*- lexical-binding: t; -*-
 
-(def-package! elisp-mode ; built-in
-  :mode ("/Cask$" . emacs-lisp-mode)
-  :config
+(add-to-list 'auto-mode-alist '("\\.Cask\\'" . emacs-lisp-mode))
+
+(defun +emacs-lisp|init ()
   (set-repl-handler! 'emacs-lisp-mode #'+emacs-lisp/repl)
   (set-eval-handler! 'emacs-lisp-mode #'+emacs-lisp-eval)
   (set-lookup-handlers! 'emacs-lisp-mode :documentation 'info-lookup-symbol)
@@ -61,6 +61,8 @@
                        return t))
       (flycheck-mode -1))))
 
+(add-transient-hook! 'emacs-lisp-mode (+emacs-lisp|init))
+
 
 ;;
 ;; Plugins