MAGETWO-66875: Remove the copyright year from file headers #8648

Author: Oleksii Korshenko

dev/tests/js/jasmine/assets/text/external.html

@@ -1,6 +1,6 @@
 <!--
 /**
- * Copyright © 2017 Magento, Inc. All rights reserved.
+ * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
 -->