ath6kl: drop unlikely behind WARN_ON()

WARN_ON() already contain an unlikely compiler flag. Drop it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index a511ef3..fe38fc4 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -2217,7 +2217,7 @@
 
 	/* enter / leave wow suspend on first vif always */
 	first_vif = ath6kl_vif_first(ar);
-	if (WARN_ON(unlikely(!first_vif)) ||
+	if (WARN_ON(!first_vif) ||
 	    !ath6kl_cfg80211_ready(first_vif))
 		return -EIO;
 
@@ -2297,7 +2297,7 @@
 	int ret;
 
 	vif = ath6kl_vif_first(ar);
-	if (WARN_ON(unlikely(!vif)) ||
+	if (WARN_ON(!vif) ||
 	    !ath6kl_cfg80211_ready(vif))
 		return -EIO;