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

* Deprecate usage of import inject

addons/api/addon/models/base.js

@@ -6,7 +6,7 @@
 import Model from '@ember-data/model';
 import { attr } from '@ember-data/model';
 import { computed } from '@ember/object';
-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 
 /**
  * Base model class provides common functionality for all models.

addons/api/addon/models/group.js

@@ -7,7 +7,7 @@ import GeneratedGroupModel from '../generated/models/group';
 import { attr } from '@ember-data/model';
 import { computed } from '@ember/object';
 import { A } from '@ember/array';
-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 
 export default class GroupModel extends GeneratedGroupModel {
   // =services

addons/api/addon/models/role.js

@@ -5,7 +5,7 @@
 
 import GeneratedRoleModel from '../generated/models/role';
 import { attr } from '@ember-data/model';
-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 
 export const GRANT_SCOPE_THIS = 'this';
 export const GRANT_SCOPE_CHILDREN = 'children';

addons/api/addon/models/session-recording.js

@@ -5,7 +5,7 @@
 
 import GeneratedSessionRecordingModel from '../generated/models/session-recording';
 import { hasMany } from '@ember-data/model';
-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 
 export const TYPE_SESSION_RECORDING_SSH = 'ssh';
 export const TYPES_SESSION_RECORDING = Object.freeze([

addons/api/addon/models/session.js

@@ -7,7 +7,7 @@ import GeneratedSessionModel from '../generated/models/session';
 import { equal } from '@ember/object/computed';
 import { tracked } from '@glimmer/tracking';
 import { A } from '@ember/array';
-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 import { flattenObject } from '../utils/flatten-nested-object';
 import { TYPES_CREDENTIAL_LIBRARY } from 'api/models/credential-library';
 import { TYPE_CREDENTIAL_JSON } from 'api/models/credential';

addons/api/addon/models/target.js

@@ -5,7 +5,7 @@
 
 import GeneratedTargetModel from '../generated/models/target';
 import { attr } from '@ember-data/model';
-import { inject as service } from '@ember/service';
+import { service } from '@ember/service';
 
 export const TYPE_TARGET_TCP = 'tcp';
 export const TYPE_TARGET_SSH = 'ssh';