ksmbd: remove duplicate SMB2 Oplock levels definitions

smb/common already have SMB2 Oplock levels definitions, remove duplicate
definitions in server.
Signed-off-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/smb/server/oplock.h

@@ -11,13 +11,6 @@
 
 #define OPLOCK_WAIT_TIME	(35 * HZ)
 
-/* SMB2 Oplock levels */
-#define SMB2_OPLOCK_LEVEL_NONE          0x00
-#define SMB2_OPLOCK_LEVEL_II            0x01
-#define SMB2_OPLOCK_LEVEL_EXCLUSIVE     0x08
-#define SMB2_OPLOCK_LEVEL_BATCH         0x09
-#define SMB2_OPLOCK_LEVEL_LEASE         0xFF
-
 /* Oplock states */
 #define OPLOCK_STATE_NONE	0x00
 #define OPLOCK_ACK_WAIT		0x01