staging: r8188eu: CurrentBW4024GTxPwrIdx is set but not used

CurrentBW4024GTxPwrIdx in struct hal_data_8188e is set but not used.
It can be removed.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220108124959.313215-7-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/rtl8188e_phycfg.c

@@ -589,7 +589,6 @@ static void phy_PowerIndexCheck88E(struct adapter *Adapter, u8 channel, u8 *cckP
 	pHalData->CurrentCckTxPwrIdx = cckPowerLevel[0];
 	pHalData->CurrentOfdm24GTxPwrIdx = ofdmPowerLevel[0];
 	pHalData->CurrentBW2024GTxPwrIdx = BW20PowerLevel[0];
-	pHalData->CurrentBW4024GTxPwrIdx = BW40PowerLevel[0];
 }
 
 /*-----------------------------------------------------------------------------

drivers/staging/r8188eu/include/rtl8188e_hal.h

@@ -180,7 +180,6 @@ struct hal_data_8188e {
 	u8	CurrentCckTxPwrIdx;
 	u8	CurrentOfdm24GTxPwrIdx;
 	u8	CurrentBW2024GTxPwrIdx;
-	u8	CurrentBW4024GTxPwrIdx;
 
 	/*  Read/write are allow for following hardware information variables */
 	u8	pwrGroupCnt;