disable model events for log repository

NzbDrone.Core/Instrumentation/LogRepository.cs

@@ -23,5 +23,10 @@ namespace NzbDrone.Core.Instrumentation
             var oldIds = Query.Where(c => c.Time < DateTime.Now.AddDays(-30).Date).Select(c => c.Id);
             DeleteMany(oldIds);
         }
+
+        protected override void PublishModelEvent(Log model, Datastore.Events.RepositoryAction action)
+        {
+            //Don't publish log added events.
+        }
     }
 }