staging/xgifb: Remove unused variable

Index is not used here -> remove.
Signed-off-by: NPeter Huewe <peterhuewe@gmx.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/xgifb/vb_setmode.c

@@ -1390,14 +1390,10 @@ static void XGI_ModCRT1Regs(unsigned short ModeNo, unsigned short ModeIdIndex,
 		struct xgi_hw_device_info *HwDeviceExtension,
 		struct vb_device_info *pVBInfo)
 {
-	unsigned char index;
 	unsigned short i;
 	struct XGI_LVDSCRT1HDataStruct const *LCDPtr = NULL;
 	struct XGI_LVDSCRT1VDataStruct const *LCDPtr1 = NULL;
 
-	index = XGI330_RefIndex[RefreshRateTableIndex].Ext_CRT2CRTC;
-	index = index & IndexMask;
-
 	if (pVBInfo->VBInfo & (SetCRT2ToLCD | XGI_SetCRT2ToLCDA)) {
 		LCDPtr = XGI_GetLcdPtr(xgifb_epllcd_crt1_h, ModeNo, ModeIdIndex,
 				       RefreshRateTableIndex, pVBInfo);