Improving caching of static assets (#3591)

webapp/root.html

@@ -34,11 +34,8 @@
 
     <!-- CSS Should always go first -->
     <link rel='stylesheet' class='code_theme'>
-    <!--<link rel='stylesheet' href='/static/css/styles.css'>-->
     <style id='antiClickjack'>body{display:none !important;}</style>
 
-    <script src='/static/bundle.js'></script>
-
     <script type='text/javascript'>
         if (self === top) {
             var blocker = document.getElementById('antiClickjack');