chore(dependencies): switch from es6-shim to core-js (#10884)

modules/@angular/docs/bundles/overview.md

@@ -89,4 +89,4 @@ Depending on if you are using Angular bundles or not you can either use RxJS bun
 
 ## ES6 shims (optional)
 
-Users of pre-ES6 browsers might need to add an ES6 shim (e.g. [es6-shim](https://github.com/paulmillr/es6-shim))
+Users of pre-ES6 browsers might need to add an ES6 shim (e.g. [core-js](https://github.com/zloirock/core-js))

modules/@angular/http/src/index.ts

@@ -8,7 +8,7 @@
 
 // Index to be used if Http is ever configured as a standalone npm package.
 // require('reflect-metadata');
-// require('es6-shim');
+// require('core-js');
 // import {HTTP_PROVIDERS, JSONP_PROVIDERS, Http, Jsonp} from './http';
 // import {Injector} from '@angular/core';
 // export * from './http';

modules/@angular/package.json

@@ -1,17 +0,0 @@
-{
-  "name": "angular2",
-  "version": "<%= packageJson.version %>",
-  "description": "Angular 2 - a web framework for modern web apps",
-  "homepage": "<%= packageJson.homepage %>",
-  "bugs": "<%= packageJson.bugs %>",
-  "contributors": <%= JSON.stringify(packageJson.contributors) %>,
-  "license": "<%= packageJson.license %>",
-  "repository": <%= JSON.stringify(packageJson.repository) %>,
-  "devDependencies": <%= JSON.stringify(packageJson.defaultDevDependencies) %>,
-  "peerDependencies": {
-    "es6-shim": "<%= packageJson.dependencies['es6-shim'] %>",
-    "reflect-metadata": "<%= packageJson.dependencies['reflect-metadata'] %>",
-    "rxjs": "<%= packageJson.dependencies['rxjs'] %>",
-    "zone.js": "<%= packageJson.dependencies['zone.js'] %>"
-  }
-}

modules/@angular/router/karma.conf.js

@@ -10,7 +10,7 @@ module.exports = function(config) {
 
     files: [
       // Polyfills.
-      'node_modules/es6-shim/es6-shim.js',
+      'node_modules/core-js/client/core.js',
       'node_modules/reflect-metadata/Reflect.js',
       'shims_for_IE.js',