ath9k: remove the unnecessary private xretry tx flag

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/rc.h

@@ -227,7 +227,6 @@ struct ath_rate_priv {
 
 #define ATH_TX_INFO_FRAME_TYPE_INTERNAL	(1 << 0)
 #define ATH_TX_INFO_FRAME_TYPE_PAUSE	(1 << 1)
-#define ATH_TX_INFO_XRETRY		(1 << 3)
 #define ATH_TX_INFO_UNDERRUN		(1 << 4)
 
 enum ath9k_internal_frame_type {