General refactor of modules

General code and comment improvements.

Also, removed the :desc's for csv-mode because map! is currently unable
to set which-key descriptions mode-locally, and should be avoided for
anything but global keybinds. This will be fixed when General is
introduced into Doom.

modules/feature/snippets/autoload/snippets.el

@@ -22,8 +22,9 @@ ignored. This makes it easy to override built-in snippets with private ones."
     (let* ((gc-cons-threshold doom-gc-cons-upper-limit)
            (choices (cl-remove-duplicates choices :test #'+snippets--remove-p)))
       (if (cdr choices)
-          (let ((prompt-functions (remq '+snippets-prompt-private yas-prompt-functions)))
-            (run-hook-with-args-until-success 'prompt-functions prompt choices fn))
+          (cl-loop for fn in (cdr (memq '+snippets-prompt-private yas-prompt-functions))
+                   if (funcall prompt choices fn)
+                   return it)
         (car choices)))))
 
 ;;;###autoload