Deprecate import inject from @ember/service (#2716)

* Deprecate usage of import inject

addons/api/addon/services/resource-filter-store.js

@@ -4,7 +4,7 @@
  */
 
 import Service from '@ember/service';
-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 
 /**
  * Takes a POJO representing a query and converts it to a boolean expression

addons/api/addon/services/storage.js

@@ -56,7 +56,7 @@ class MemoryStorage {
  *
  * @example
  *   import Route from '@ember/routing/route';
- *   import { inject as service } from '@ember/service';
+ *   import { service } from '@ember/service';
  *   export default class ApplicationRoute extends Route {
  *     @service storage;
  *     afterModel() {