Revert "net: usb: r8152: Add MAC passthrough support for more Lenovo Docks"

This reverts commit f77b83b5bbab53d2be339184838b19ed2c62c0a5.

This change breaks multiple usb to ethernet dongles attached on Lenovo
USB hub.

Fixes: f77b83b5bbab ("net: usb: r8152: Add MAC passthrough support for more Lenovo Docks")
Signed-off-by: Aaron Ma <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

drivers/net/usb/r8152.c

···
 		netdev->hw_features &= ~NETIF_F_RXCSUM;
 	}
 
-	if (udev->parent &&
-			le16_to_cpu(udev->parent->descriptor.idVendor) == VENDOR_ID_LENOVO) {
-		tp->lenovo_macpassthru = 1;
+	if (le16_to_cpu(udev->descriptor.idVendor) == VENDOR_ID_LENOVO) {
+		switch (le16_to_cpu(udev->descriptor.idProduct)) {
+		case DEVICE_ID_THINKPAD_THUNDERBOLT3_DOCK_GEN2:
+		case DEVICE_ID_THINKPAD_USB_C_DOCK_GEN2:
+			tp->lenovo_macpassthru = 1;
+		}
 	}
 
 	if (le16_to_cpu(udev->descriptor.bcdDevice) == 0x3011 && udev->serial &&