smb: smbdirect: fix copyright header of smbdirect.h

Everything in smbdirect.h was taken from my out of
tree prototype.

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Henrique Carvalho <henrique.carvalho@suse.com>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: metze-samba

fs/smb/common/smbdirect/smbdirect.h

@@ -1,7 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
- *   Copyright (C) 2017, Microsoft Corporation.
- *   Copyright (C) 2018, LG Electronics.
+ *   Copyright (C) 2025 Stefan Metzmacher
  */
 
 #ifndef __FS_SMB_COMMON_SMBDIRECT_SMBDIRECT_H__