wifi: wcn36xx: fix repeated words in comments

Delete the redundant word 'that'.
Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220915030428.38510-1-yuanjilin@cdjrlc.com

drivers/net/wireless/ath/wcn36xx/hal.h

@@ -2677,7 +2677,7 @@ struct ani_global_security_stats {
 	 * management information base (MIB) object is enabled */
 	u32 rx_wep_unencrypted_frm_cnt;
 
-	/* The number of received MSDU packets that that the 802.11 station
+	/* The number of received MSDU packets that the 802.11 station
 	 * discarded because of MIC failures */
 	u32 rx_mic_fail_cnt;