feat(index.html): Hide NSFW variants

Author: Fuwn

index.html

@@ -217,9 +217,7 @@ <h2>Username</h2>
         <select id="themeSelect">
           <option value="asoul">A-SOUL</option>
           <option value="gelbooru">Gelbooru</option>
-          <option value="gelbooru-h">Gelbooru (NSFW)</option>
           <option value="moebooru">Moebooru</option>
-          <option value="moebooru-h">Moebooru (NSFW)</option>
           <option value="rule34">Rule 34</option>
           <option value="urushi">Urushi Yaotome</option>
           <option value="lain">Lain Iwakura</option>