Remove /rpg/ from rules page

templates/themes/rules/rules.html

@@ -80,7 +80,6 @@
   </ul>
   <li>/art/ is the board for the discussion of other forms of art, including music, movies, and television.</li>
   <li>/w/ is the board for the discussion of Japanese culture and anime.</li>
-  <li>/rpg/ is the board for the discussion of video games, primarily role-playing games.</li>
   <li>/r/ is the board for the discussion of topics that do not have a dedicated board.  It is not for purely random threads.</li>
   <li>/layer/ is the ddt board.  For more information see the sticky on the board or the <a href="https://github.com/desudesutalk/desudesutalk/wiki/How-to-use-this-script"> official how-to guide</a>.</li>
   <li>/q/ is the questions board.</li>