chore: delete unused webpack.config.js file in test-serializer package (#882)

packages/test-serializer/webpack.config.js

@@ -1,28 +0,0 @@
-// var webpack = require("webpack");
-
-module.exports = {
-    entry: {
-        main: __dirname + '/test-serializer.ts'
-    },
-    target: 'node',
-    output: {
-        path: __dirname,
-        filename: "test-serializer.js"
-    },
-    resolve: {
-        extensions: ['.webpack.js', '.web.js', '.ts', '.js'],
-        modules: ['node_modules']
-    },
-    module: {
-        rules: [
-            { test: /\.ts$/, loader: 'ts-loader', exclude: /node_modules/ }
-        ]
-    },
-    plugins: [
-        //   new webpack.optimize.UglifyJsPlugin({ minimize: true }),
-    ],
-    node: {
-        fs: "empty"
-    }
-
-}