Removed react-css-modules

src/index.js

@@ -2,8 +2,8 @@ import React from 'react';
 import ReactDOM from 'react-dom';
 import './index.css';
 import App from './App';
+import * as serviceWorker from './serviceWorker';
 import packageJson from '../package.json';
-import registerServiceWorker from './registerServiceWorker';
 
 const Constants = require('./constants');
 
@@ -17,7 +17,7 @@ if (!process.versions.hasOwnProperty('electron')) {
       }
 
       ReactDOM.render(<App platform={arg.data} version={packageJson.version}/>, document.getElementById('root'));
-      registerServiceWorker();
+      serviceWorker.unregister();
     });
     ipcRenderer.send(Constants.IPC_Get_Platform);
   }