remove dropdown from crowi-plus/page_list.html

lib/views/crowi-plus/page_list.html

@@ -29,6 +29,9 @@
         {# force remove #revision-toc from #content_main of parent #}
         <script>
           $('#revision-toc').remove();
+
+          // hide unportalize button
+          $('.portal > .nav > .dropdown').remove();
         </script>
 
       </div> {# /.col- #}