staging: r8188eu: EfuseUsedBytes is set but never used

The field EfuseUsedBytes of struct hal_data_8188e is set but never
used. Remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20220107215033.12257-6-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/hal/rtl8188e_hal_init.c

@@ -498,9 +498,6 @@ static void Hal_EfuseReadEFuse88E(struct adapter *Adapter,
 	for (i = 0; i < _size_byte; i++)
 		pbuf[i] = efuseTbl[_offset + i];
 
-	/*  5. Calculate Efuse utilization. */
-	SetHwReg8188EU(Adapter, HW_VAR_EFUSE_BYTES, (u8 *)&eFuse_Addr);
-
 exit:
 	kfree(efuseTbl);
 	kfree(eFuseWord);

drivers/staging/r8188eu/hal/usb_halinit.c

@@ -1530,9 +1530,6 @@ void SetHwReg8188EU(struct adapter *Adapter, u8 variable, u8 *val)
 			}
 		}
 		break;
-	case HW_VAR_EFUSE_BYTES: /*  To set EFUE total used bytes, added by Roger, 2008.12.22. */
-		haldata->EfuseUsedBytes = *((u16 *)val);
-		break;
 	case HW_VAR_FIFO_CLEARN_UP:
 		{
 			struct pwrctrl_priv *pwrpriv = &Adapter->pwrctrlpriv;

drivers/staging/r8188eu/include/hal_intf.h

@@ -59,7 +59,6 @@ enum hw_variables {
 	HW_VAR_ANTENNA_DIVERSITY_SELECT,
 	HW_VAR_SWITCH_EPHY_WoWLAN,
 	HW_VAR_EFUSE_USAGE,
-	HW_VAR_EFUSE_BYTES,
 	HW_VAR_EFUSE_BT_USAGE,
 	HW_VAR_EFUSE_BT_BYTES,
 	HW_VAR_FIFO_CLEARN_UP,

drivers/staging/r8188eu/include/rtl8188e_hal.h

@@ -216,8 +216,6 @@ struct hal_data_8188e {
 	u8	OutEpQueueSel;
 	u8	OutEpNumber;
 
-	u16	EfuseUsedBytes;
-
 	struct P2P_PS_Offload_t	p2p_ps_offload;
 
 	/*  Auto FSM to Turn On, include clock, isolation, power control