staging: r8188eu: remove rtl8188e_set_rssi_cmd()

Function rtl8188e_set_rssi_cmd() is not used, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210918095727.13591-8-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/rtl8188e_cmd.c

@@ -109,21 +109,6 @@ static s32 FillH2CCmd_88E(struct adapter *adapt, u8 ElementID, u32 CmdLen, u8 *p
 	return ret;
 }
 
-u8 rtl8188e_set_rssi_cmd(struct adapter *adapt, u8 *param)
-{
-	u8 res = _SUCCESS;
-	struct hal_data_8188e *haldata = GET_HAL_DATA(adapt);
-
-	if (haldata->fw_ractrl) {
-		;
-	} else {
-		DBG_88E("==>%s fw dont support RA\n", __func__);
-		res = _FAIL;
-	}
-
-	return res;
-}
-
 u8 rtl8188e_set_raid_cmd(struct adapter *adapt, u32 mask)
 {
 	u8 buf[3];

drivers/staging/r8188eu/include/rtl8188e_cmd.h

@@ -91,7 +91,6 @@ struct P2P_PS_CTWPeriod_t {
 /*  host message to firmware cmd */
 void rtl8188e_set_FwPwrMode_cmd(struct adapter *padapter, u8 Mode);
 void rtl8188e_set_FwJoinBssReport_cmd(struct adapter *padapter, u8 mstatus);
-u8 rtl8188e_set_rssi_cmd(struct adapter *padapter, u8 *param);
 u8 rtl8188e_set_raid_cmd(struct adapter *padapter, u32 mask);
 void rtl8188e_Add_RateATid(struct adapter *padapter, u32 bitmap, u8 arg,
 			   u8 rssi_level);