Get rid of IScene.PresenceChildStatus() which always had to execute a lookup in favour of IClientAPI.ISceneAgent.IsChildAgent instead.

OpenSim/Framework/IScene.cs

@@ -89,19 +89,6 @@ namespace OpenSim.Framework
 
         string GetSimulatorVersion();
 
-        /// <summary>
-        /// Is the agent denoted by the given agentID a child presence in this scene?
-        /// </summary>
-        /// <remarks>
-        /// Used by ClientView when a 'kick everyone' or 'estate message' occurs
-        /// </remarks>
-        /// <param name="avatarID">AvatarID to lookup</param>
-        /// <returns>true if the presence is a child agent, false if the presence is a root exception</returns>
-        /// <exception cref="System.NullReferenceException">
-        /// Thrown if the agent does not exist.
-        /// </exception>
-        bool PresenceChildStatus(UUID agentId);
-
         bool TryGetScenePresence(UUID agentID, out object scenePresence);
 
         /// <summary>

OpenSim/Framework/ISceneAgent.cs

@@ -47,6 +47,13 @@ namespace OpenSim.Framework
         /// </summary>
         PresenceType PresenceType { get; }
 
+        /// <summary>
+        /// If true, then the agent has no avatar in the scene.
+        /// The agent exists to relay data from a region that neighbours the current position of the user's avatar.
+        /// Occasionally data is relayed, such as which a user clicks an item in a neighbouring region.
+        /// </summary>
+        bool IsChildAgent { get; }
+
         /// <summary>
         /// Avatar appearance data.
         /// </summary>