Removed obsolete webpack config file

webpack.config.js

@@ -1,13 +0,0 @@
-var webpack = require('webpack');
-
-module.exports = require('./scalajs.webpack.config');
-
-module.exports.module = {
-    ...module.exports.module,
-    rules: module.exports.module.rules.concat([
-        {
-            test: /\.css$/i,
-            use: ['style-loader', 'css-loader'],
-        },
-    ]),
-};