clean リファクタ

src/main/java/autumn_2023/centralized/AuctionCommandExecutorFire.java

@@ -41,8 +41,7 @@ public class AuctionCommandExecutorFire extends CommandExecutor<CommandFire> {
         super.updateInfo(messageManager);
 
         // FireStationから受信したMessageCivilianを収集
-        final Set<EntityID> receivedCentreCivilians = messageManager.getReceivedMessageList().parallelStream()
-                .filter(MessageCivilian.class::isInstance)
+        final Set<EntityID> receivedCentreCivilians = messageManager.getReceivedMessageList(MessageCivilian.class).parallelStream()
                 .map(MessageCivilian.class::cast)
                 .filter(e -> this.worldInfo.getEntity(e.getSenderID()) instanceof FireStation)
                 .map(MessageCivilian::getAgentID)