rt2x00: remove unused variable in rt2800_get_survey

Patch fixes this compile warning:

drivers/net/wireless/ralink/rt2x00/rt2800lib.c: In function ‘rt2800_get_survey’:
drivers/net/wireless/ralink/rt2x00/rt2800lib.c:10533:25: warning: unused variable ‘conf’ [-Wunused-variable] 10533 | struct ieee80211_conf *conf = &hw->conf;
| ^~~~

added by recent patch "rt2x00: save survey for every channel visited"

---
 drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 1 -
 1 file changed, 1 deletion(-)

index e94c59c76559..5264b0a1f098 100644
@@ -10530,7 +10530,6 @@ int rt2800_get_survey(struct ieee80211_hw *hw, int idx,
 		      struct survey_info *survey)
 {
 	struct rt2x00_dev *rt2x00dev = hw->priv;
-	struct ieee80211_conf *conf = &hw->conf;
 	struct rt2x00_chan_survey *chan_survey =
 		   &rt2x00dev->chan_survey[idx];
 	enum nl80211_band band = NL80211_BAND_2GHZ;

2.25.4

You mean this one?

https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

That patch is not applied yet, so please send v3 with this patch folded into it.

https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches