wifi: ath10k: Remove redundant assignment to changed_flags

Variable changed_flags is assigned, but is not effectively used, so
delete it.

drivers/net/wireless/ath/ath10k/mac.c:6024:22: warning: parameter 'changed_flags' set but not used.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3963Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20230207052410.26337-1-jiapeng.chong@linux.alibaba.com

drivers/net/wireless/ath/ath10k/mac.c

@@ -6030,7 +6030,6 @@ static void ath10k_configure_filter(struct ieee80211_hw *hw,
 
 	mutex_lock(&ar->conf_mutex);
 
-	changed_flags &= SUPPORTED_FILTERS;
 	*total_flags &= SUPPORTED_FILTERS;
 	ar->filter_flags = *total_flags;