Remove unused load-sw.js

Author: cybex-dev

example/web/index.html

@@ -43,8 +43,6 @@
   <!--twilio native js library-->
   <script type="text/javascript" src="./twilio.min.js"></script>
 
-  <script type="text/javascript" src="./load-sw.js"></script>
-
   <script>
     window.addEventListener('load', function(ev) {
       // Download main.dart.js