Revert "UX: bigger title font on local oneboxed topic"

This reverts commit e492ed64ec.

app/assets/stylesheets/common/base/onebox.scss

@@ -321,8 +321,3 @@ aside.onebox.stackexchange .onebox-body img {
   max-height: 60%;
   max-width: 10%;
 }
-
-// local onebox topic title
-aside.quote .title .local-onebox-title {
-  font-size: 1.2em;
-}

lib/onebox/templates/discourse_topic_onebox.hbs

@@ -2,7 +2,7 @@
   <div class='title'>
     <div class='quote-controls'></div>
     {{{avatar}}}
-    <a class='local-onebox-title' href="{{original_url}}">{{{title}}}</a> {{{category_html}}}
+    <a href="{{original_url}}">{{{title}}}</a> {{{category_html}}}
   </div>
   <blockquote>{{{quote}}}
     <div class='topic-info'>