remove unnecessary ixp4xx network config override

SVN-Revision: 12033

target/linux/ixp4xx/base-files/etc/config/network

@@ -1,13 +0,0 @@
-# Copyright (C) 2006 OpenWrt.org
-
-config interface loopback
-	option ifname	lo
-	option proto	static
-	option ipaddr	127.0.0.1
-	option netmask	255.0.0.0
-
-config interface lan
-	option ifname	eth0
-	option proto	static
-	option ipaddr	192.168.1.1
-	option netmask	255.255.255.0