Remove ip/lookup.go as those are not used anymore.

ip/lookup.go

@@ -1,23 +0,0 @@
-package ip
-
-import (
-	"context"
-	"net"
-	"time"
-
-	"dnsupdater/ip/resolver"
-)
-
-// Resolver is a function that gets the ip from a interface name
-type NetInterfaceIPResolver func(iface string) (net.IP, error)
-
-func LookupWrapper(service resolver.Service) NetInterfaceIPResolver {
-	return func(iface_name string) (net.IP, error) {
-		if iface_name == resolver.WAN_IFACE {
-			ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
-			defer cancel()
-			return service.Lookup(ctx)
-		}
-		return GetInterfaceIP(iface_name)
-	}
-}