Remove ArtNet RDM/TOD discovery support

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

artnet.go

@@ -28,9 +28,6 @@ func (h *artnetHandler) HandlePollReply(src *net.UDPAddr, pkt *artnet.PollReplyP
 	h.discovery.HandlePollReply(src, pkt)
 }
 
-func (h *artnetHandler) HandleTodData(src *net.UDPAddr, pkt *artnet.TodDataPacket) {
-	h.discovery.HandleTodData(src, pkt)
-}
 
 func (t *Tendrils) startArtNet(ctx context.Context, iface net.Interface) {
 	srcIP, broadcast := getInterfaceIPv4(iface)
@@ -83,19 +80,8 @@ func (t *Tendrils) handleArtNetNode(node *artnet.Node) {
 		outputs = append(outputs, int(u))
 	}
 
-	rdmUIDs := map[int][]string{}
-	for u, uids := range node.RDMUIDs {
-		var uidStrs []string
-		for _, uid := range uids {
-			uidStrs = append(uidStrs, uid.String())
-		}
-		if len(uidStrs) > 0 {
-			rdmUIDs[int(u)] = uidStrs
-		}
-	}
-
 	if t.DebugArtNet {
-		log.Printf("[artnet] %s %s short=%q long=%q in=%v out=%v rdm=%v", ip, mac, shortName, longName, inputs, outputs, rdmUIDs)
+		log.Printf("[artnet] %s %s short=%q long=%q in=%v out=%v", ip, mac, shortName, longName, inputs, outputs)
 	}
 
 	name := longName
@@ -115,7 +101,6 @@ func (t *Tendrils) handleArtNetNode(node *artnet.Node) {
 	}
 	if n != nil {
 		t.nodes.UpdateArtNet(n, inputs, outputs)
-		t.nodes.UpdateArtNetRDM(n, rdmUIDs)
 	}
 	t.NotifyUpdate()
 }
@@ -139,22 +124,6 @@ func (n *Nodes) UpdateArtNet(node *Node, inputs, outputs []int) {
 	}
 }
 
-func (n *Nodes) UpdateArtNetRDM(node *Node, rdmUIDs map[int][]string) {
-	n.mu.Lock()
-	defer n.mu.Unlock()
-
-	if len(rdmUIDs) == 0 {
-		return
-	}
-
-	if node.ArtNetRDMUIDs == nil {
-		node.ArtNetRDMUIDs = map[int][]string{}
-	}
-
-	for u, uids := range rdmUIDs {
-		node.ArtNetRDMUIDs[u] = uids
-	}
-}
 
 func (n *Nodes) expireArtNet() {
 	for _, node := range n.nodes {