cleanup: removes the render and lifecycle_hooks modules

BREAKING CHANGE

Before

import {Renderer} from 'angular2/render';

After

import {Renderer} form 'angular2/core';

Closes #5367

modules/angular2/angular2.ts

@@ -1,7 +1,6 @@
 export * from './common';
 export * from './core';
 export * from './profile';
-export * from './lifecycle_hooks';
 export * from './platform/browser';
 export * from './src/platform/dom/dom_adapter';
 export * from './upgrade';