remove screwy network config override from x86-2.6 base-files

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6558 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/x86-2.6/base-files/default/etc/config/network

-# 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 type 	bridge
-	option ifname	"eth1 eth2"
-	option proto	static
-	option ipaddr	192.168.1.1
-	option netmask	255.255.255.0
-
-config interface wan
-	option ifname	eth0
-	option proto	dhcp
-