Dropped the "Show Numbers" field for tree view for now

inabox.wpf/DynamicGrid/UIComponent/DynamicGridTreeUIComponent.cs

@@ -78,7 +78,7 @@ public class DynamicGridTreeUIComponent<T> : IDynamicGridUIComponent<T>, IDynami
         set
         {
             _shownumbers = value;
-            _tree.Columns[1].Width = value ? 50 : 0;
+            //_tree.Columns[1].Width = value ? 50 : 0;
         } 
     }