USB: serial: mos7840: drop unused defines

Drop some defines that have never (really) been used, some of which are
duplicates (the read and write requests) and others which are just bogus
(the ioctl).

Signed-off-by: Johan Hovold <johan@kernel.org>

Author: jhovold

drivers/usb/serial/mos7840.c

@@ -66,29 +66,16 @@
 
 #define MOS_WDR_TIMEOUT		5000	/* default urb timeout */
 
-#define MOS_PORT1       0x0200
-#define MOS_PORT2       0x0300
-#define MOS_VENREG      0x0000
-#define MOS_MAX_PORT	0x02
-#define MOS_WRITE       0x0E
-#define MOS_READ        0x0D
-
 /* Requests */
 #define MCS_RD_RTYPE    0xC0
 #define MCS_WR_RTYPE    0x40
 #define MCS_RDREQ       0x0D
 #define MCS_WRREQ       0x0E
-#define MCS_CTRL_TIMEOUT        500
 #define VENDOR_READ_LENGTH      (0x01)
 
-#define MAX_NAME_LEN    64
-
 #define ZLP_REG1  0x3A		/* Zero_Flag_Reg1    58 */
 #define ZLP_REG5  0x3E		/* Zero_Flag_Reg5    62 */
 
-/* For higher baud Rates use TIOCEXBAUD */
-#define TIOCEXBAUD     0x5462
-
 /*
  * Vendor id and device id defines
  *