chore: remove analytics from local demo

demo/index.html

@@ -32,14 +32,5 @@
     <script src="/polyfills.js"></script>
     <script src="/vendor.js"></script>
     <script src="/redoc.js"></script>
-    <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','https://www.google-analytics.com/analytics.js','ga');
-
-      ga('create', 'UA-81703547-1', 'auto');
-      ga('send', 'pageview');
-    </script>
   </body>
 </html>