Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/wireless/rsi/rsi_91x_hal.c: In function 'rsi_send_data_pkt':
drivers/net/wireless/rsi/rsi_91x_hal.c:288:5: warning:
 variable 'header_size' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <redacted>
---
v2: remove unused 'tx_params'
---
 drivers/net/wireless/rsi/rsi_91x_hal.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c
index 01edf96..182b066 100644
--- a/drivers/net/wireless/rsi/rsi_91x_hal.c
+++ b/drivers/net/wireless/rsi/rsi_91x_hal.c

@@ -282,10 +282,8 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb)
        struct rsi_hw *adapter = common->priv;
        struct ieee80211_vif *vif;
        struct ieee80211_tx_info *info;
-       struct skb_info *tx_params;
        struct ieee80211_bss_conf *bss;
        int status = -EINVAL;
-       u8 header_size;

        if (!skb)
                return 0;

@@ -297,8 +295,6 @@ int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb)
                goto err;
        vif = info->control.vif;
        bss = &vif->bss_conf;
-       tx_params = (struct skb_info *)info->driver_data;
-       header_size = tx_params->internal_hdr_size;