disable default horizontal scroll mode

Disabled default horizontal scroll mode because TableView has it's own implementation of horizontal scrolling.

Author: w-ahmad

src/Themes/TableView.xaml

@@ -30,7 +30,7 @@
         <Setter Property="ScrollViewer.VerticalScrollBarVisibility"
                 Value="Auto" />
         <Setter Property="ScrollViewer.HorizontalScrollMode"
-                Value="Auto" />
+                Value="Disabled" />
         <win:Setter Property="ScrollViewer.IsHorizontalRailEnabled"
                     Value="True" />
         <Setter Property="ScrollViewer.VerticalScrollMode"