staging: rtl8723bs: remove set but not used variable 'bEEPROMCheck'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/staging/rtl8723bs//hal/odm_CfoTracking.c: In function 'odm_SetCrystalCap':
drivers/staging/rtl8723bs//hal/odm_CfoTracking.c:14:7: warning:
 variable 'bEEPROMCheck' set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20190801015307.44572-1-yuehaibing@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/odm_CfoTracking.c

@@ -11,11 +11,6 @@ static void odm_SetCrystalCap(void *pDM_VOID, u8 CrystalCap)
 {
 	PDM_ODM_T pDM_Odm = (PDM_ODM_T)pDM_VOID;
 	PCFO_TRACKING pCfoTrack = &pDM_Odm->DM_CfoTrack;
-	bool bEEPROMCheck;
-	struct adapter *Adapter = pDM_Odm->Adapter;
-	struct hal_com_data *pHalData = GET_HAL_DATA(Adapter);
-
-	bEEPROMCheck = pHalData->EEPROMVersion >= 0x01;
 
 	if (pCfoTrack->CrystalCap == CrystalCap)
 		return;