Revert "refactor: add license header to JS files & format files (#12035)"

This reverts commit 8310c91823.

modules/@angular/compiler-cli/integrationtest/webpack.config.js

@@ -1,14 +1,10 @@
-/**
- * @license
- * Copyright Google Inc. All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-
 module.exports = {
   target: 'node',
   entry: './test/all_spec.js',
-  output: {filename: './all_spec.js'},
-  resolve: {extensions: ['.js']},
+  output: {
+    filename: './all_spec.js'
+  },
+  resolve: {
+    extensions: ['.js']
+  },
 };