staging: rtl8723au: Nuke HW_VAR_CHECK_TXBUF, which was also a no-op

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_mlme_ext.c

@@ -9492,9 +9492,6 @@ u8 sitesurvey_cmd_hdl23a(struct rtw_adapter *padapter, u8 *pbuf)
 	u32 i;
 
 	if (pmlmeext->sitesurvey_res.state == SCAN_DISABLE) {
-		/* for first time sitesurvey_cmd */
-		rtw_hal_set_hwreg23a(padapter, HW_VAR_CHECK_TXBUF, NULL);
-
 		pmlmeext->sitesurvey_res.state = SCAN_START;
 		pmlmeext->sitesurvey_res.bss_cnt = 0;
 		pmlmeext->sitesurvey_res.channel_idx = 0;

drivers/staging/rtl8723au/hal/rtl8723a_hal_init.c

@@ -3177,8 +3177,6 @@ void SetHwReg8723A(struct rtw_adapter *padapter, u8 variable, u8 *val)
 	case HW_VAR_EFUSE_BT_BYTES:
 		pHalData->BTEfuseUsedBytes = *((u16 *) val);
 		break;
-	case HW_VAR_CHECK_TXBUF:
-		break;
 	case HW_VAR_APFM_ON_MAC:
 		rtl8723a_set_apfm_on_mac(padapter, *val);
 		break;

drivers/staging/rtl8723au/include/hal_intf.h

@@ -63,7 +63,6 @@ enum HW_VARIABLES {
 	HW_VAR_SWITCH_EPHY_WoWLAN,
 	HW_VAR_EFUSE_BYTES,
 	HW_VAR_EFUSE_BT_BYTES,
-	HW_VAR_CHECK_TXBUF,
 	HW_VAR_APFM_ON_MAC, /* Auto FSM to Turn On, include clock, isolation, power control for MAC only */
 	/*  The valid upper nav range for the HW updating, if the true value is larger than the upper range, the HW won't update it. */
 	/*  Unit in microsecond. 0 means disable this function. */