remove service worker

src/index.js

@@ -6,7 +6,7 @@ import 'semantic-ui-css/semantic.min.css';
 
 import configureStore from './configureStore';
 import App from './components/App';
-import registerServiceWorker from './registerServiceWorker';
+// import registerServiceWorker from './registerServiceWorker';
 
 const store = configureStore();
 
@@ -19,4 +19,4 @@ render(
   document.getElementById('root'),
 );
 
-registerServiceWorker();
+// registerServiceWorker();