make sure category is highlighted

src/scripts/browse.tag

@@ -49,7 +49,7 @@ var self = this;
 
 self.route = route;
 self.loading = false;
-self.category = false;
+self.category = self.opts.state.category_filter;
 self.converter = new showdown.Converter();
 
 self.openPost = (id) => {

src/scripts/post.tag

@@ -29,7 +29,6 @@
         </p>
         <div class="divider"></div>
       </div>
-      <categories></categories>
     </div>
     <div
       data-is="postcontrols"