Don't register a region twice on both official registration and maptile regeneration.

Maptile storage appears orthogonal to region registration

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -5017,18 +5017,16 @@ namespace OpenSim.Region.Framework.Scenes
             return offsets.ToArray();
         }
 
+        /// <summary>
+        /// Regenerate the maptile for this scene.
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
         public void RegenerateMaptile(object sender, ElapsedEventArgs e)
         {
             IWorldMapModule mapModule = RequestModuleInterface<IWorldMapModule>();
             if (mapModule != null)
-            {
                 mapModule.GenerateMaptile();
-
-                string error = GridService.RegisterRegion(RegionInfo.ScopeID, new GridRegion(RegionInfo));
-
-                if (error != String.Empty)
-                    throw new Exception(error);
-            }
         }
 
         // This method is called across the simulation connector to

OpenSim/Services/Connectors/MapImage/MapImageServiceConnector.cs

@@ -129,7 +129,9 @@ namespace OpenSim.Services.Connectors
 
                 }
                 else
-                    m_log.DebugFormat("[MAP IMAGE CONNECTOR]: RegisterRegion received null reply");
+                {
+                    m_log.DebugFormat("[MAP IMAGE CONNECTOR]: Map post received null reply");
+                }
             }
             catch (Exception e)
             {

OpenSim/Services/GridService/GridService.cs

@@ -156,6 +156,7 @@ namespace OpenSim.Services.GridService
                     regionInfos.RegionID, regionInfos.RegionLocX, regionInfos.RegionLocY, scopeID);
                 return "Region overlaps another region";
             }
+
             if ((region != null) && (region.RegionID == regionInfos.RegionID) && 
                 ((region.posX != regionInfos.RegionLocX) || (region.posY != regionInfos.RegionLocY)))
             {

OpenSim/Services/MapImageService/MapImageService.cs

@@ -138,6 +138,8 @@ namespace OpenSim.Services.MapImageService
 
         public byte[] GetMapTile(string fileName, out string format)
         {
+//            m_log.DebugFormat("[MAP IMAGE SERVICE]: Getting map tile {0}", fileName);
+
             format = ".jpg";
             string fullName = Path.Combine(m_TilesStoragePath, fileName);
             if (File.Exists(fullName))