Rollback changes for Even subscription

Author: viktorkryzhanovksyilangai

src/WorkflowCore/Services/BackgroundTasks/WorkflowConsumer.cs

@@ -89,19 +89,8 @@ private async Task SubscribeEvent(EventSubscription subscription, IPersistencePr
             if (subscription.EventName != Event.EventTypeActivity)
             {
                 var events = await persistenceStore.GetEvents(subscription.EventName, subscription.EventKey, subscription.SubscribeAsOf, cancellationToken);
-
                 foreach (var evt in events)
                 {
-                    var locked = await _lockProvider.AcquireLock($"evt:{evt}", cancellationToken);
-                    int attempt = 0;
-                    while (locked && attempt < 10)
-                    {
-                        locked = await _lockProvider.AcquireLock($"evt:{evt}", cancellationToken);
-                        await Task.Delay(Options.IdleTime);
-
-                        attempt++;
-                    }
-
                     await persistenceStore.MarkEventUnprocessed(evt, cancellationToken);
                     await QueueProvider.QueueWork(evt, QueueType.Event);
                 }