board/common: don't change link status of interface

After some discussion we agreed that this operation is the domain of
confd (or dagger) and any DHCP client should not mess with the admin
state of the interface it runs on.

Signed-off-by: Joachim Wiberg <[email protected]>

Author: troglobit

board/common/rootfs/usr/share/udhcpc/default.script

@@ -104,7 +104,6 @@ case "$ACTION" in
     deconfig)
 	clr_dhcp_addresses
 	clr_dhcp_routes
-	/bin/ip link set dev $interface up
 
 	# drop info from this interface
 	rm -f "$RESOLV_CONF"

board/common/rootfs/usr/share/udhcpc/default6.script

@@ -45,7 +45,6 @@ log "action $ACTION"
 case "$ACTION" in
     deconfig)
 	clr_dhcpv6_addresses
-	/bin/ip link set dev $interface up
 
 	# drop info from this interface
 	rm -f "$RESOLV_CONF"