Remove HTML loader (codesandbox#416)

* Remove HTML loader

* Fix loading screen

Author: CompuIves

packages/app/config/webpack.common.js

@@ -115,15 +115,6 @@ module.exports = {
           name: 'static/media/[name].[hash:8].[ext]',
         },
       },
-      // "html" loader is used to process template page (index.html) to resolve
-      // resources linked with <link href="./relative/path"> HTML tags.
-      {
-        test: /\.html$/,
-        loader: 'html-loader',
-        options: {
-          attrs: ['link:href'],
-        },
-      },
     ],
 
     noParse: [/eslint\.4\.1\.0\.min\.js$/, /typescriptServices\.js$/],

packages/app/src/sandbox/status-screen/index.js

@@ -1,6 +1,6 @@
 // @flow
 // This is the loading screen
-import loadingHtml from './loading-screen.html';
+import loadingHtml from '!raw-loader!./loading-screen.html';
 
 type LoadingScreen = {
   type: 'loading',