Remove typo

Cut and paste likely introduced accidentally inserted spurious #define
in d60622eb5a23904facf4a4efac60f5bfa810d7d4 causes no harm but looks weird

Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 76df656..ed39930 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -311,7 +311,6 @@
 	seq_printf(m, "\nSessionSetups: %d sent %d failed",
 		   atomic_read(&sent[SMB2_SESSION_SETUP_HE]),
 		   atomic_read(&failed[SMB2_SESSION_SETUP_HE]));
-#define SMB2LOGOFF		0x0002 /* trivial request/resp */
 	seq_printf(m, "\nLogoffs: %d sent %d failed",
 		   atomic_read(&sent[SMB2_LOGOFF_HE]),
 		   atomic_read(&failed[SMB2_LOGOFF_HE]));