update to fix errors on 404 page

404.md

@@ -1,19 +1,8 @@
 ---
 title: "Page Not Found"
 description: "Page not found."
-sitemap: false
 search: exclude
-related_pages: none
 ---  
 
-Sorry, but the page you were trying to view does not exist --- perhaps you can try searching for it.
+Sorry, but the page you were trying to view does not exist. Perhaps you can try searching for it.
 
-{%comment%}
-<script type="text/javascript">
-  var GOOG_FIXURL_LANG = 'en';
-  var GOOG_FIXURL_SITE = '{{ site.url }}'
-</script>
-<script type="text/javascript"
-  src="http://linkhelp.clients.google.com/tbproxy/lh/wm/fixurl.js">
-</script>
-{%endcomment%}