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

This reverts commit 8310c91823.

modules/@angular/compiler/rollup.config.js

@@ -1,10 +1,3 @@
-/**
- * @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
- */
 
 export default {
   entry: '../../../dist/packages-dist/compiler/index.js',
@@ -14,9 +7,9 @@ export default {
   globals: {
     '@angular/core': 'ng.core',
     'rxjs/Observable': 'Rx',
-    'rxjs/Subject': 'Rx',
+    'rxjs/Subject': 'Rx'
   },
   plugins: [
-    //    nodeResolve({ jsnext: true, main: true }),
+//    nodeResolve({ jsnext: true, main: true }),
   ]
-};
+}