staging: rtl8188eu: Remove unused function _ps_close_RF()

Signed-off-by: Nnavin patidar <navin.patidar@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/hal/usb_halinit.c

@@ -942,12 +942,6 @@ HAL_INIT_PROFILE_TAG(HAL_INIT_STAGES_END);
 	return status;
 }
 
-static void _ps_close_RF(struct adapter *adapt)
-{
-	/* here call with bRegSSPwrLvl 1, bRegSSPwrLvl 2 needs to be verified */
-	/* phy_SsPwrSwitch92CU(adapt, rf_off, 1); */
-}
-
 static void CardDisableRTL8188EU(struct adapter *Adapter)
 {
 	u8 val8;
@@ -1025,7 +1019,6 @@ static u32 rtl8188eu_hal_deinit(struct adapter *Adapter)
 
 	DBG_88E("bkeepfwalive(%x)\n", Adapter->pwrctrlpriv.bkeepfwalive);
 	if (Adapter->pwrctrlpriv.bkeepfwalive) {
-		_ps_close_RF(Adapter);
 		if ((Adapter->pwrctrlpriv.bHWPwrPindetect) && (Adapter->pwrctrlpriv.bHWPowerdown))
 			rtl8192cu_hw_power_down(Adapter);
 	} else {