Copyright for open-source files corrected

Author: nishant04412

app/code/Magento/DownloadableGraphQl/etc/graphql/events.xml

@@ -1,19 +1,9 @@
 <?xml version="1.0"?>
 <!--
-/************************************************************************
-* Copyright 2025 Adobe
-* All Rights Reserved.
-*
-* NOTICE: All information contained herein is, and remains
-* the property of Adobe and its suppliers, if any. The intellectual
-* and technical concepts contained herein are proprietary to Adobe
-* and its suppliers and are protected by all applicable intellectual
-* property laws, including trade secret and copyright laws.
-* Dissemination of this information or reproduction of this material
-* is strictly forbidden unless prior written permission is obtained
-* from Adobe.
-* ***********************************************************************
-*/
+ /**
+  * Copyright 2025 Adobe
+  * All Rights Reserved.
+  */
 -->
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
     <event name="checkout_allow_guest">