ralink: revert 38348 as it breaks network on the hame-mpr

https://dev.openwrt.org/changeset/38348
https://dev.openwrt.org/ticket/14403#comment:1

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 38669

target/linux/ramips/base-files/etc/uci-defaults/02_network

@@ -44,8 +44,6 @@ ramips_setup_interfaces()
 	awm002-evb | \
 	broadway | \
 	dcs-930| \
-	mpr-a1 | \
-	mpr-a2 | \
 	wnce2001)
 		ucidef_add_switch "switch0" "1" "0"
 		ucidef_set_interface_lan "eth0"