Small fixes for orleans.

src/Squidex.Infrastructure/Orleans/IBackgroundGrain.cs

@@ -7,11 +7,13 @@
 
 using System.Threading.Tasks;
 using Orleans;
+using Orleans.Concurrency;
 
 namespace Squidex.Infrastructure.Orleans
 {
     public interface IBackgroundGrain : IGrainWithStringKey
     {
+        [OneWay]
         Task ActivateAsync();
     }
 }

src/Squidex/Config/Orleans/OrleansServices.cs

@@ -28,11 +28,6 @@ namespace Squidex.Config.Orleans
         {
             services.AddOrleans(config, environment, builder =>
             {
-                builder.ConfigureLogging(logging =>
-                {
-                    logging.AddFilters();
-                });
-
                 builder.ConfigureServices(siloServices =>
                 {
                     siloServices.AddSingleton<IIncomingGrainCallFilter, LocalCacheFilter>();