Merge pull request #407 from ankitbko/remove_duplicate

Removed duplicate GA and feed tags

Author: Hamel Husain

_includes/custom-head.html

@@ -9,10 +9,6 @@
 {%- include favicons.html -%}
 <link href="https://unpkg.com/@primer/css/dist/primer.css" rel="stylesheet" />
 <link rel="stylesheet" href="//use.fontawesome.com/releases/v5.0.7/css/all.css">
-{%- feed_meta -%}
-{%- if jekyll.environment == 'production' and site.google_analytics -%}
-    {%- include google-analytics.html -%}
-{%- endif -%}
 
 {%- if site.annotations -%}
 <script src="https://hypothes.is/embed.js" async></script>