Make Wysiwyg Use CKEditor CDN
If all you're using the wysiwyg editor is for ckeditor, you can use the ckeditor module instead.


  This module will allow Drupal to replace textarea fields with the
  CKEditor - a visual HTML editor, usually called a WYSIWYG editor. This
  HTML text editor brings many of the powerful WYSIWYG editing functions
  of known desktop editors like Word to the web. It's very fast and
  doesn't require any kind of installation on the client computer.


you can tell ckeditor to use the CDN in the Advanced settings of the Global Profile: