[cleanup][broker]remove unnecessary variable in PersistentTopic
@@ -213,7 +213,6 @@ public class PersistentTopic extends AbstractTopic implements Topic, AddEntryCal
private volatile double lastUpdatedAvgPublishRateInMsg = 0;
private volatile double lastUpdatedAvgPublishRateInByte = 0;
- private volatile int maxUnackedMessagesOnSubscriptionApplied;
private volatile boolean isClosingOrDeleting = false;
private ScheduledFuture<?> fencedTopicMonitoringTask = null;
