r8169: disable detection of chip version 36

I found no evidence that this chip version ever made it to the mass
market. Therefore disable detection. Like in similar cases before:
If nobody complains, we'll remove support for this chip version after
few months.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/ac622d4a-ae0a-3817-710f-849db4015c78@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/realtek/r8169_main.c

@@ -1996,7 +1996,10 @@ static enum mac_version rtl8169_get_mac_version(u16 xid, bool gmii)
 
 		/* 8168F family. */
 		{ 0x7c8, 0x488,	RTL_GIGA_MAC_VER_38 },
-		{ 0x7cf, 0x481,	RTL_GIGA_MAC_VER_36 },
+		/* It seems this chip version never made it to
+		 * the wild. Let's disable detection.
+		 * { 0x7cf, 0x481,	RTL_GIGA_MAC_VER_36 },
+		 */
 		{ 0x7cf, 0x480,	RTL_GIGA_MAC_VER_35 },
 
 		/* 8168E family. */