staging: rtl8188eu: remove unused hal_data_8188e members

Remove some members of struct hal_data_8188e which are not used
in this driver.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210612180019.20387-1-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/include/rtl8188e_hal.h

@@ -233,7 +233,6 @@ struct hal_data_8188e {
 	u8	PwrGroupHT20[RF_PATH_MAX][CHANNEL_MAX_NUMBER];
 	u8	PwrGroupHT40[RF_PATH_MAX][CHANNEL_MAX_NUMBER];
 
-	u8	LegacyHTTxPowerDiff;/*  Legacy to HT rate power diff */
 	/*  The current Tx Power Level */
 	u8	CurrentCckTxPwrIdx;
 	u8	CurrentOfdm24GTxPwrIdx;
@@ -242,12 +241,8 @@ struct hal_data_8188e {
 
 	/*  Read/write are allow for following hardware information variables */
 	u8	framesync;
-	u32	framesyncC34;
-	u8	framesyncMonitor;
-	u8	DefaultInitialGain[4];
 	u8	pwrGroupCnt;
 	u32	MCSTxPowerLevelOriginalOffset[MAX_PG_GROUP][16];
-	u32	CCKTxPowerLevelOriginalOffset;
 
 	u8	CrystalCap;
 
@@ -284,9 +279,6 @@ struct hal_data_8188e {
 					*  beacon in TxQ.
 					*/
 
-	/*  2010/08/09 MH Add CU power down mode. */
-	bool		pwrdown;
-
 	/*  Add for dual MAC  0--Mac0 1--Mac1 */
 	u32	interfaceIndex;
 
@@ -309,7 +301,6 @@ struct hal_data_8188e {
 	u8	UsbTxAggMode;
 	u8	UsbTxAggDescNum;
 	u16	HwRxPageSize;		/*  Hardware setting */
-	u32	MaxUsbRxAggBlock;
 
 	enum usb_rx_agg_mode UsbRxAggMode;
 	u8	UsbRxAggBlockCount;	/*  USB Block count. Block size is