remove topic-info from topic onebox for now

https://meta.discourse.org/t/discourse-oneboxes-are-not-correctly-translated/16382/2?u=codinghorror

lib/onebox/templates/discourse_topic_onebox.handlebars

@@ -6,15 +6,6 @@
   </div>
   <blockquote>{{{quote}}}
     <div class='topic-info'>
-      <div class='info-line'>
-        {{posts_count}} posts, last post {{last_post}}, created {{age}}, {{views}} views
-      </div>
-      <div class='posters'>
-        {{#posters}}
-          <span title="{{{username}}}">{{{avatar}}}</span>
-        {{/posters}}
-      </div>
-      <div class='clearfix'></div>
     </div>
   </blockquote>
 </aside>