Remove erroneous margin settings on one of the grouping grids

Author: machthree

Rubberduck.Core/UI/UnitTesting/TestExplorerControl.xaml

@@ -626,8 +626,7 @@
                 <controls:GroupingGrid ItemsSource="{Binding Source={StaticResource ResultsByOutcome}}"
                                            SelectedItem="{Binding SelectedTest}"
                                            ShowGroupingItemCount="True"
-                                           Visibility="{Binding GroupByOutcome, Converter={StaticResource BoolToVisibility}}"
-                                           Margin="-1,0,1,0">
+                                           Visibility="{Binding GroupByOutcome, Converter={StaticResource BoolToVisibility}}">
                     <DataGrid.Columns>
                         <DataGridTemplateColumn Header="{Resx ResxName=Rubberduck.Resources.UnitTesting.TestExplorer, Key=TestExplorer_Outcome}">
                             <DataGridTemplateColumn.CellTemplate>