staging: r8712u: Merging Realtek's latest (v2.6.6). Removed unused MSECS.

MSECS was never used in this driver. So removed.
Signed-off-by: NAli Bahar <ali@internetDog.org>
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/rtl8712/osdep_service.h

@@ -68,7 +68,6 @@ struct	__queue	{
 #define _buffer unsigned char
 #define thread_exit() complete_and_exit(NULL, 0)
 #define _workitem struct work_struct
-#define MSECS(t)        (HZ * ((t) / 1000) + (HZ * ((t) % 1000)) / 1000)
 
 #define _init_queue(pqueue)				\
 	do {						\