refactor(common): unify export structure

modules/@angular/common/index.ts

@@ -11,12 +11,13 @@
  * @description
  * Entry point for all public APIs of the common package.
  */
-export * from './src/location';
+export * from './src/location/index';
 export {NgLocalization} from './src/localization';
 export {CommonModule} from './src/common_module';
 export {NgClass, NgFor, NgIf, NgPlural, NgPluralCase, NgStyle, NgSwitch, NgSwitchCase, NgSwitchDefault, NgTemplateOutlet} from './src/directives/index';
 export {AsyncPipe, DatePipe, I18nPluralPipe, I18nSelectPipe, JsonPipe, LowerCasePipe, CurrencyPipe, DecimalPipe, PercentPipe, SlicePipe, UpperCasePipe} from './src/pipes/index';
 import {Version} from '@angular/core';
+
 /**
  * @stable
  */

modules/@angular/common/src/location.ts

@@ -1,13 +0,0 @@
-/**
- * @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 * from './location/platform_location';
-export * from './location/location_strategy';
-export * from './location/hash_location_strategy';
-export * from './location/path_location_strategy';
-export * from './location/location';

modules/@angular/common/src/location/index.ts

@@ -6,8 +6,8 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-/**
- * @module
- * @description
- * This module provides a set of common Pipes.
- */
+export * from './platform_location';
+export * from './location_strategy';
+export * from './hash_location_strategy';
+export * from './path_location_strategy';
+export * from './location';