wifi: mac80211: minstrel_ht: remove unused has_mrr member from struct minstrel_priv

Remove unused has_mrr (has multi-rate retry capabilities) member
from struct minstrel_priv (only set once in minstrel_ht_alloc, never
used again).

Signed-off-by: Peter Seiderer <[e-mail]>
Signed-off-by: Johannes Berg <[e-mail]>

net/mac80211/rc80211_minstrel_ht.c

···
 		/* safe default, does not necessarily have to match hw properties */
 		mp->max_retry = 7;
 
-	if (hw->max_rates >= 4)
-		mp->has_mrr = true;
-
 	mp->hw = hw;
 	mp->update_interval = HZ / 20;
 

net/mac80211/rc80211_minstrel_ht.h

···
 
 struct minstrel_priv {
 	struct ieee80211_hw *hw;
-	bool has_mrr;
 	unsigned int cw_min;
 	unsigned int cw_max;
 	unsigned int max_retry;