mute watchdog timeouts on world map work threads. They do wait for events for a long time

diff --git a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
index f34cfe5..501f1f1 100644
--- a/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
+++ b/OpenSim/Region/CoreModules/World/WorldMap/WorldMapModule.cs
@@ -392,13 +392,13 @@ namespace OpenSim.Region.CoreModules.World.WorldMap
                 string.Format("MapItemRequestThread ({0})", m_scene.RegionInfo.RegionName),
                 ThreadPriority.BelowNormal,
                 true,
-                true);
+                false);
             WorkManager.StartThread(
                 MapBlockSendThread,
                 string.Format("MapBlockSendThread ({0})", m_scene.RegionInfo.RegionName),
                 ThreadPriority.BelowNormal,
                 true,
-                true);
+                false);
         }

         /// <summary>