mac80211: remove stray aggregation debugfs definition

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/sta_info.h

@@ -65,7 +65,6 @@ enum ieee80211_sta_info_flags {
 #define HT_AGG_STATE_OPERATIONAL	(HT_ADDBA_REQUESTED_MSK |	\
 					 HT_ADDBA_DRV_READY_MSK |	\
 					 HT_ADDBA_RECEIVED_MSK)
-#define HT_AGG_STATE_DEBUGFS_CTL	BIT(7)
 
 /**
  * struct tid_ampdu_tx - TID aggregation information (Tx).