[Blackfin] arch: remove duplicated definitions of the line discipline numbers N_* in asm-blackfin/termios.h

The definitions of the line discipline numbers N_* have been moved
from asm-*/termios.h to linux/tty.h, but the Blackfin architecture
has somehow evaded that move. Bring it in line with the others.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

include/asm-blackfin/termios.h

@@ -39,24 +39,6 @@ struct termio {
 
 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
 
-/* line disciplines */
-#define N_TTY		0
-#define N_SLIP		1
-#define N_MOUSE		2
-#define N_PPP		3
-#define N_STRIP		4
-#define N_AX25		5
-#define N_X25		6	/* X.25 async */
-#define N_6PACK		7
-#define N_MASC		8	/* Reserved for Mobitex module <kaz@cafe.net> */
-#define N_R3964		9	/* Reserved for Simatic R3964 module */
-#define N_PROFIBUS_FDL	10	/* Reserved for Profibus <Dave@mvhi.com> */
-#define N_IRDA		11	/* Linux IR - http://irda.sourceforge.net/ */
-#define N_SMSBLOCK	12	/* SMS block mode - for talking to GSM data cards about SMS messages */
-#define N_HDLC		13	/* synchronous HDLC */
-#define N_SYNC_PPP	14	/* synchronous PPP */
-#define N_HCI		15	/* Bluetooth HCI UART */
-
 #ifdef __KERNEL__
 
 /*	intr=^C		quit=^\		erase=del	kill=^U