staging: rtl8188eu: remove write-only HwRxPageSize

HwRxPageSize from struct hal_data_8188e is set but never read. Remove the
component and the code to initialise it.
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20210725155902.32433-13-martin@kaiser.cxSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/usb_halinit.c

@@ -515,26 +515,6 @@ static void usb_AggSettingRxUpdate(struct adapter *Adapter)
 		/*  TODO: */
 		break;
 	}
-
-	switch (PBP_128) {
-	case PBP_128:
-		haldata->HwRxPageSize = 128;
-		break;
-	case PBP_64:
-		haldata->HwRxPageSize = 64;
-		break;
-	case PBP_256:
-		haldata->HwRxPageSize = 256;
-		break;
-	case PBP_512:
-		haldata->HwRxPageSize = 512;
-		break;
-	case PBP_1024:
-		haldata->HwRxPageSize = 1024;
-		break;
-	default:
-		break;
-	}
 }	/*  usb_AggSettingRxUpdate */
 
 static void InitUsbAggregationSetting(struct adapter *Adapter)

drivers/staging/rtl8188eu/include/rtl8188e_hal.h

@@ -265,7 +265,6 @@ struct hal_data_8188e {
 	u8	C2hArray[16];
 	u8	UsbTxAggMode;
 	u8	UsbTxAggDescNum;
-	u16	HwRxPageSize;		/*  Hardware setting */
 
 	enum usb_rx_agg_mode UsbRxAggMode;
 	u8	UsbRxAggBlockCount;	/*  USB Block count. Block size is

drivers/staging/rtl8188eu/include/rtl8188e_spec.h

@@ -803,11 +803,7 @@ So the following defines for 92C is not entire!!!!!!
 #define _PSRX(x)			(x)
 #define _PSTX(x)			((x) << 4)
 
-#define PBP_64				0x0
 #define PBP_128				0x1
-#define PBP_256				0x2
-#define PBP_512				0x3
-#define PBP_1024			0x4
 
 /* 2 TX/RXDMA */
 #define RXDMA_ARBBW_EN			BIT(0)