Add current version of Google Analytics code, Global Site Tag (gtag.js). (#9131)

layouts/partials/footer-scripts.html

@@ -1,13 +1,6 @@
 <button class="flyout-button" onclick="kub.toggleToc()"></button>
 
 <script>
-(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-    (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
-ga('create', 'UA-36037335-10', 'auto');
-ga('send', 'pageview');
-
 // hide docs nav area if no nav is present, or if nav only contains a link to the current page
 (function () {
     window.addEventListener('DOMContentLoaded', init)