Endpoints: This CL changes endpoint to be a plain struct defined in v23.

MultiPart: 2/5
Change-Id: I774ae80fb541b7e7de76e1b5aeddbbaf9f004023
diff --git a/internal/monitoring/monitoring.go b/internal/monitoring/monitoring.go
index 1379964..13eb03e 100644
--- a/internal/monitoring/monitoring.go
+++ b/internal/monitoring/monitoring.go
@@ -293,11 +293,11 @@
 	} else {
 		for _, resolvedName := range resolvedNames {
 			serverName, relativeName := naming.SplitAddressName(resolvedName)
-			ep, err := v23.NewEndpoint(serverName)
+			ep, err := naming.ParseEndpoint(serverName)
 			if err != nil {
 				return nil, err
 			}
-			routingId := ep.RoutingID().String()
+			routingId := ep.RoutingID.String()
 			if _, ok := groups[routingId]; !ok {
 				groups[routingId] = naming.MountEntry{}
 			}