Patch by mcortez: Remove lock from scene presence updating in groups module

OpenSim/Region/OptionalModules/Avatar/XmlRpcGroups/GroupsModule.cs

@@ -1244,8 +1244,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
             if (m_debugEnabled) m_log.DebugFormat("[GROUPS]: Updating scene title for {0} with title: {1}", AgentID, Title);
 
             ScenePresence presence = null;
-            lock (m_sceneList)
-            {
+
             foreach (Scene scene in m_sceneList)
             {
                 presence = scene.GetScenePresence(AgentID);
@@ -1258,7 +1257,6 @@ namespace OpenSim.Region.OptionalModules.Avatar.XmlRpcGroups
                 }
             }
         }
-        }
 
         /// <summary>
         /// Send updates to all clients who might be interested in groups data for dataForClientID