Fix layout bug

- there was an extra div tag that threw off the spacing of everything
- removing it fixed the UI

go/go/templates/link_box.html

 {% load go_extras %} {% load qr_tags %}
 
 <div class="container">
+
     <div class="col-md-8">
         <h3>Go Address:</h3>
         <div id="link-container" class="input-group">
@@ -100,10 +101,8 @@
                 </pre>
             {% endwith %}
         {% endwith %}
-      <br></br>
-  </div>
-
     </div>
+
 </div>
 
 <script>