refactor: update demo

Author: KyLeoHC

demo/src/index.html

@@ -12,6 +12,5 @@ <h1>hello world!</h1>
     </div>
     <!-- 'inline-bundle' attribute tell us to embed file that generated by webpack -->
     <script inline inline-bundle="runtime\.\w+\.js$" inline-bundle-delete></script>
-    <script inline inline-bundle="bundle\.\w+\.js$" inline-bundle-delete></script>
   </body>
 </html>