[WIP] Models/Entities: Remove EF proxies

Elwig/Dialogs/DeliverySplittingDialog.xaml.cs

@@ -52,7 +52,6 @@ namespace Elwig.Dialogs {
             ControlUtils.RenewItemsSource(DeliveryInput, await ctx.Deliveries
                 .Where(d => d.DateString == $"{_delivery.Date:yyyy-MM-dd}" && d.ZwstId == _delivery.ZwstId)
                 .OrderBy(d => d.LsNr)
-                .Include(d => d.Member)
                 .Include(d => d.Parts)
                 .ToListAsync());
             if (DeliveryInput.SelectedItem == null)