Removed unused thread-based asynchronous message service implementation

dddsample/src/main/java/se/citerus/dddsample/application/messaging/ThreadBasedDomainEventNotifierImpl.java

@@ -1,25 +0,0 @@
-package se.citerus.dddsample.application.messaging;
-
-import se.citerus.dddsample.domain.model.handling.HandlingEvent;
-import se.citerus.dddsample.domain.service.DomainEventNotifier;
-import se.citerus.dddsample.domain.service.TrackingService;
-
-/**
- * Thread based implementation.
- */
-public class ThreadBasedDomainEventNotifierImpl implements DomainEventNotifier {
-
-  private TrackingService trackingService;
-
-  public void cargoWasHandled(final HandlingEvent event) {
-    new Thread(new Runnable() {
-      public void run() {
-        trackingService.inspectCargo(event.cargo().trackingId());
-      }
-    }).start();
-  }
-
-  public void setTrackingService(TrackingService trackingService) {
-    this.trackingService = trackingService;
-  }
-}