r8169: remove not needed call to rtl_wol_enable_rx from rtl_shutdown

rtl_wol_enable_rx() is called via the following call chain if WoL
is enabled:
rtl8169_down()
-> rtl_prepare_power_down()
   -> rtl_wol_enable_rx()
Therefore we don't have to call this function here.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/34ce78e2-596c-e2ac-16aa-c550fa624c22@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/realtek/r8169_main.c

@@ -4850,10 +4850,8 @@ static void rtl_shutdown(struct pci_dev *pdev)
 	rtl_rar_set(tp, tp->dev->perm_addr);
 
 	if (system_state == SYSTEM_POWER_OFF) {
-		if (tp->saved_wolopts) {
-			rtl_wol_enable_rx(tp);
+		if (tp->saved_wolopts)
 			rtl_wol_shutdown_quirk(tp);
-		}
 
 		pci_wake_from_d3(pdev, tp->saved_wolopts);
 		pci_set_power_state(pdev, PCI_D3hot);