ath10k: remove unused variable

The rx descriptor variable was no longer used in
the rx handler.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

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

@@ -1230,7 +1230,6 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 	struct ath10k *ar = htt->ar;
 	struct ieee80211_rx_status *rx_status = &htt->rx_status;
 	struct htt_rx_indication_mpdu_range *mpdu_ranges;
-	struct htt_rx_desc *rxd;
 	enum htt_rx_mpdu_status status;
 	struct ieee80211_hdr *hdr;
 	int num_mpdu_ranges;
@@ -1301,10 +1300,6 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 				continue;
 			}
 
-			rxd = container_of((void *)msdu_head->data,
-					   struct htt_rx_desc,
-					   msdu_payload);
-
 			if (!ath10k_htt_rx_amsdu_allowed(htt, msdu_head,
 							 status,
 							 channel_set,