Fix auto deploy demo workflow

demo/src/App.svelte

@@ -3,7 +3,6 @@
     import Router, { querystring, location, push } from 'svelte-spa-router';
     import { routes, routes_en } from './route';
     import { NavBar, Icon } from '../../components';
-    
     import zh_CN from 'stdf/lang/zh_CN';
     import en_US from 'stdf/lang/en_US';
     import menuList from './data/menuList';