qla3xxx: cleanup: Remove some unused defined constants in the header file.

#define OPCODE_OB_MAC_IOCB_FN0          0x01

#define OPCODE_OB_MAC_IOCB_FN2          0x21

#define OPCODE_OB_TCP_IOCB_FN0          0x03

#define OPCODE_OB_TCP_IOCB_FN2          0x23

#define OPCODE_UPDATE_NCB_IOCB_FN0      0x00

#define OPCODE_UPDATE_NCB_IOCB_FN2      0x20

#define OPCODE_UPDATE_NCB_IOCB      0xF0

#define OPCODE_IB_MAC_IOCB          0xF9

#define OPCODE_IB_3032_MAC_IOCB     0x09

#define OPCODE_IB_IP_IOCB           0xFA

#define OPCODE_IB_3032_IP_IOCB      0x0A

#define OPCODE_IB_TCP_IOCB          0xFB

#define OPCODE_DUMP_PROTO_IOCB      0xFE

#define OPCODE_BUFFER_ALERT_IOCB    0xFB

#define OPCODE_FUNC_ID_MASK                 0x30

#define OUTBOUND_MAC_IOCB                   0x01	/* plus function bits */