Update email_security_check.sh

Removed 2022,

Author: jmsteur

security/security-design/shared-assets/email-security-dns-check/files/email-security-dns-check/email_security_check.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 ###############################################################################
-# Copyright (c) 2022, 2024, Oracle and/or its affiliates.  All rights reserved.
+# Copyright (c) 2024, Oracle and/or its affiliates.  All rights reserved.
 # This software is dual-licensed to you under the Universal Permissive License
 # (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl.
 ###############################################################################