DOC:3166: remove skin oxide-dark from full feature demo.

Author: kemister85

modules/ROOT/examples/live-demos/full-featured/example.js

@@ -110,7 +110,6 @@ tinymce.init({
   content_style: '.mymention{ color: gray; }',
   contextmenu: 'link image editimage table configurepermanentpen',
   a11y_advanced_options: true,
-  skin: 'oxide-dark',
   autocorrect_capitalize: true,
   mergetags_list: [
     {

modules/ROOT/examples/live-demos/full-featured/index.js

@@ -522,7 +522,6 @@ tinymce.ScriptLoader.loadScripts(['https://cdn.jsdelivr.net/npm/faker@5/dist/fak
     'body { font-family:Helvetica,Arial,sans-serif; font-size:16px }',
     contextmenu: 'link image editimage table spellchecker configurepermanentpen',
     a11y_advanced_options: true,
-    skin: 'oxide-dark',
     mentions_selector: '.mymention',
     mentions_fetch: mentions_fetch,
     mentions_menu_hover: mentions_menu_hover,