ath10k: remove unused len variables from wmi process rx functions

These len variables are not used anywhere.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

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

@@ -2106,7 +2106,6 @@ static void ath10k_wmi_main_process_rx(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct wmi_cmd_hdr *cmd_hdr;
 	enum wmi_event_id id;
-	u16 len;
 
 	cmd_hdr = (struct wmi_cmd_hdr *)skb->data;
 	id = MS(__le32_to_cpu(cmd_hdr->cmd_id), WMI_CMD_HDR_CMD_ID);
@@ -2114,8 +2113,6 @@ static void ath10k_wmi_main_process_rx(struct ath10k *ar, struct sk_buff *skb)
 	if (skb_pull(skb, sizeof(struct wmi_cmd_hdr)) == NULL)
 		return;
 
-	len = skb->len;
-
 	trace_ath10k_wmi_event(id, skb->data, skb->len);
 
 	switch (id) {
@@ -2225,7 +2222,6 @@ static void ath10k_wmi_10x_process_rx(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct wmi_cmd_hdr *cmd_hdr;
 	enum wmi_10x_event_id id;
-	u16 len;
 
 	cmd_hdr = (struct wmi_cmd_hdr *)skb->data;
 	id = MS(__le32_to_cpu(cmd_hdr->cmd_id), WMI_CMD_HDR_CMD_ID);
@@ -2233,8 +2229,6 @@ static void ath10k_wmi_10x_process_rx(struct ath10k *ar, struct sk_buff *skb)
 	if (skb_pull(skb, sizeof(struct wmi_cmd_hdr)) == NULL)
 		return;
 
-	len = skb->len;
-
 	trace_ath10k_wmi_event(id, skb->data, skb->len);
 
 	switch (id) {