fix(material/tabs): fix lint errors

Author: jamOne-

src/material/tabs/tab-group-token.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+
 import {InjectionToken} from '@angular/core';
 
 /**

src/material/tabs/tab-token.ts

@@ -1,3 +1,11 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+
 import {InjectionToken} from '@angular/core';
 
 /**

src/material/tabs/tab.ts

@@ -10,7 +10,6 @@ import {
   ChangeDetectionStrategy,
   Component,
   ContentChild,
-  InjectionToken,
   Input,
   OnChanges,
   OnDestroy,