Update ProblemTest.php

jignesh-baldha · web-flow · commit e53c636b3fce · 2018-08-19T16:15:57.000+05:30
diff --git a/app/code/Magento/Newsletter/Test/Unit/Model/ProblemTest.php b/app/code/Magento/Newsletter/Test/Unit/Model/ProblemTest.php
@@ -3,7 +3,6 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-declare(strict_types=1);
 
 namespace Magento\Newsletter\Test\Unit\Model;
 
