staging: rtl8192u: ieee80211: Remove MSECS macro

Remove driver specific macro MSECS since all instances of this macro
have been replaced by direct calls to msecs_to_jiffies().
Signed-off-by: NAmitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/ieee80211.h

@@ -329,7 +329,6 @@ typedef struct ieee_param {
 
 
 // linux under 2.6.9 release may not support it, so modify it for common use
-#define MSECS(t) msecs_to_jiffies(t)
 #define msleep_interruptible_rsl  msleep_interruptible
 
 #define IEEE80211_DATA_LEN		2304