change "See all themes and Personas" to read "See all themes" on discopane (bug 632621)

apps/discovery/templates/discovery/pane.html

@@ -105,8 +105,7 @@ data-upandcoming-url="{{ services_url('discovery.pane.more_addons', 'up-and-comi
           <a href="{{ url('browse.extensions') }}">{{ _('Browse all add-ons') }}</a>
         </li>
         <li id="more-personas">
-          <a href="{{ url('browse.themes') }}">
-            {{ _('See all themes and Personas') }}</a>
+          <a href="{{ url('browse.themes') }}">{{ _('See all themes') }}</a>
         </li>
       </ul>
     </section>