refactor(core): remove unused import

PatrickJS · vsavkin · commit 36caaaa8e448 · 2016-11-28T14:11:25.000-08:00
APP_ID  was removed after 2.2.x
diff --git a/modules/@angular/core/src/linker/view_utils.ts b/modules/@angular/core/src/linker/view_utils.ts
@@ -6,7 +6,6 @@
  * found in the LICENSE file at https://angular.io/license
  */
 
-import {APP_ID} from '../application_tokens';
 import {SimpleChange, devModeEqual} from '../change_detection/change_detection';
 import {UNINITIALIZED} from '../change_detection/change_detection_util';
 import {Inject, Injectable} from '../di';
