RandomScheduler: remove workaround for Tendermint gossip

Author: joaomlneto

simulator/src/main/java/byzzbench/simulator/scheduler/RandomScheduler.java

@@ -3,7 +3,6 @@
 import byzzbench.simulator.Scenario;
 import byzzbench.simulator.config.ByzzBenchConfig;
 import byzzbench.simulator.faults.faults.MessageMutationFault;
-import byzzbench.simulator.protocols.tendermint.message.GossipMessage;
 import byzzbench.simulator.service.MessageMutatorService;
 import byzzbench.simulator.transport.ClientRequestEvent;
 import byzzbench.simulator.transport.Event;
@@ -102,10 +101,8 @@ public synchronized Optional<EventDecision> scheduleNext(Scenario scenario) thro
         if (dieRoll < 0) {
             Event message = getRandomElement(messageEvents);
             scenario.getTransport().dropEvent(message.getEventId());
-            if(!(message instanceof GossipMessage)) {
-                EventDecision decision = new EventDecision(EventDecision.DecisionType.DROPPED, message.getEventId());
-                return Optional.of(decision);
-            }
+            EventDecision decision = new EventDecision(EventDecision.DecisionType.DROPPED, message.getEventId());
+            return Optional.of(decision);
         }
 
         // check if we should mutate-and-deliver a message sent between nodes
@@ -116,10 +113,7 @@ public synchronized Optional<EventDecision> scheduleNext(Scenario scenario) thro
 
             if (mutators.isEmpty()) {
                 // no mutators, return nothing
-                log.warning("No mutators available for message " + message.getEventId());
-                scenario.getTransport().deliverEvent(message.getEventId());
-                EventDecision decision = new EventDecision(EventDecision.DecisionType.DELIVERED, message.getEventId());
-                return Optional.of(decision);
+                return Optional.empty();
             }
             scenario.getTransport().applyMutation(
                     message.getEventId(),