Removed coi-serviceworker.js

Author: MikhailGorobets

template/coi-serviceworker.js

@@ -78,7 +78,6 @@ <h2>Samples</h2>
     </div>
 </div>
 
-<script src="coi-serviceworker.js"></script>
 <script src="script.js"></script>
 
 </body>