Remove Disqus (#627)

* Remove Disqus

* Added feedback email

Author: kelockhart

_layouts/blog_post.html

@@ -58,30 +58,7 @@ <h3 class="post-date">{{ page.date | date_to_string }}</h3>
     {% endif %}
 
     <article class="post-content">{{ content }}</article>
+    <hr />
+    <p>Questions or feedback? Contact us at <a href="mailto:adshelp@cfa.harvard.edu">adshelp@cfa.harvard.edu</a>.</p>
   </div>
 </div>
-<div class="row">
-  <div id="disqus_thread"></div>
-  <script type="text/javascript">
-    /* * * CONFIGURATION VARIABLES * * */
-    var disqus_shortname = 'adsabsblog';
-
-    /* * * DON'T EDIT BELOW THIS LINE * * */
-    (function () {
-      var dsq = document.createElement('script');
-      dsq.type = 'text/javascript';
-      dsq.async = true;
-      dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
-      (
-        document.getElementsByTagName('head')[0] ||
-        document.getElementsByTagName('body')[0]
-      ).appendChild(dsq);
-    })();
-  </script>
-  <noscript
-    >Please enable JavaScript to view the
-    <a href="https://disqus.com/?ref_noscript" rel="nofollow"
-      >comments powered by Disqus.</a
-    ></noscript
-  >
-</div>

_layouts/blog_post_scix.html

@@ -58,30 +58,7 @@ <h3 class="post-date">{{ page.date | date_to_string }}</h3>
     {% endif %}
 
     <article class="post-content">{{ content }}</article>
+    <hr />
+    <p>Questions or feedback? Contact us at <a href="mailto:help@scixplorer.org">help@scixplorer.org</a>.</p>
   </div>
 </div>
-<div class="row">
-  <div id="disqus_thread"></div>
-  <script type="text/javascript">
-    /* * * CONFIGURATION VARIABLES * * */
-    var disqus_shortname = 'adsabsblog';
-
-    /* * * DON'T EDIT BELOW THIS LINE * * */
-    (function () {
-      var dsq = document.createElement('script');
-      dsq.type = 'text/javascript';
-      dsq.async = true;
-      dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
-      (
-        document.getElementsByTagName('head')[0] ||
-        document.getElementsByTagName('body')[0]
-      ).appendChild(dsq);
-    })();
-  </script>
-  <noscript
-    >Please enable JavaScript to view the
-    <a href="https://disqus.com/?ref_noscript" rel="nofollow"
-      >comments powered by Disqus.</a
-    ></noscript
-  >
-</div>