Remove any mention of special icons

If the icons aren’t set up correctly they make Emacs incredibly slow.
And even when they are set up correctly, it doesn’t help performance
on Windows.

emacs/.emacs.d/init.el

@@ -176,15 +176,6 @@
 
 (add-hook 'electric-indent-local-mode-hook #'oni:switch-newline-keys)
 
-;; (with-eval-after-load 'autorevert
-;;   (diminish 'auto-revert-mode
-;;             (concat " " (propertize (char-to-string #xf3a8)
-;;                                     'face '(:family "Ionicons")))))
-
-;; 'auto-fill-function
-;;           (propertize (concat "  " (char-to-string #xf149))
-;;                       'face '(:family "Font Awesome" :height 0.75)))
-
 (global-diff-hl-mode)
 (blink-cursor-mode -1)
 
@@ -199,10 +190,6 @@ ORIG-FUN is the function being wrapped, ARGS are the arguments specified"
   (add-function :around (symbol-function 'diff-hl-changes-buffer)
                 #'oni:with-diff-hl-p4-args))
 
-(diminish 'isearch-mode
-          (concat " " (propertize (char-to-string #xf4a4)
-                                  'face '(:family "Ionicons"))))
-
 (setq projectile-known-projects-file
       (oni:data-location "projectile-bookmarks.eld"))