Apply go fix modernizations

bmd.go

@@ -211,9 +211,9 @@ func (t *Tendrils) probeHyperDeck(ip net.IP) string {
 	}
 
 	response := string(buf[:n])
-	for _, line := range strings.Split(response, "\r\n") {
-		if strings.HasPrefix(line, "model: ") {
-			model := strings.TrimPrefix(line, "model: ")
+	for line := range strings.SplitSeq(response, "\r\n") {
+		if after, ok := strings.CutPrefix(line, "model: "); ok {
+			model := after
 			if t.DebugBMD {
 				log.Printf("[bmd] hyperdeck %s at %s", model, ip)
 			}
@@ -238,9 +238,9 @@ func (t *Tendrils) probeVideoHub(ip net.IP) string {
 	}
 
 	response := string(buf[:n])
-	for _, line := range strings.Split(response, "\n") {
-		if strings.HasPrefix(line, "Model name: ") {
-			model := strings.TrimSpace(strings.TrimPrefix(line, "Model name: "))
+	for line := range strings.SplitSeq(response, "\n") {
+		if after, ok := strings.CutPrefix(line, "Model name: "); ok {
+			model := strings.TrimSpace(after)
 			if t.DebugBMD {
 				log.Printf("[bmd] videohub %s at %s", model, ip)
 			}