Insert google analytics at publish time

docs/_templates/layout.html

@@ -1,13 +1,6 @@
 {% extends "!layout.html" %}
 
 {%- block extrahead %}
-<!-- Google Analytics -->
-<script>
-window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;
-ga('create', 'UA-20736318-2', 'auto');
-ga('send', 'pageview');
-</script>
-<script async="async" src='https://www.google-analytics.com/analytics.js'></script>
-<!-- End Google Analytics -->
+<!-- kitty analytics placeholder -->
   {{ super() }}
 {% endblock %}