Laravel Vapor - attempt to fix a missing asset (Error 403)

webpack.mix.js

@@ -12,21 +12,3 @@ const mix = require('laravel-mix');
  */
 
 mix.js('./resources/assets/vue/app.js', 'public/vue').version();
-
-//cief todo: gulp
-// if (mix.inProduction()) {
-    const ASSET_URL = process.env.ASSET_URL;
-
-    mix.webpackConfig(webpack => {
-        return {
-            plugins: [
-                new webpack.DefinePlugin({
-                    "process.env.ASSET_PATH": JSON.stringify(ASSET_URL)
-                })
-            ],
-            output: {
-                publicPath: ASSET_URL
-            }
-        };
-    });
-// }