netann/node_announcement: consolidate signing logic

lnwire/node_announcement.go

@@ -101,14 +101,6 @@ type NodeAnnouncement struct {
 	ExtraOpaqueData []byte
 }
 
-// UpdateNodeAnnAddrs is a functional option that allows updating the addresses
-// of the given node announcement.
-func UpdateNodeAnnAddrs(addrs []net.Addr) func(*NodeAnnouncement) {
-	return func(nodeAnn *NodeAnnouncement) {
-		nodeAnn.Addresses = addrs
-	}
-}
-
 // A compile time check to ensure NodeAnnouncement implements the
 // lnwire.Message interface.
 var _ Message = (*NodeAnnouncement)(nil)