Minor nit fixes

Author: rozza

driver-core/src/test/unit/com/mongodb/connection/ServerDiscoveryAndMonitoringTest.java

@@ -35,8 +35,6 @@
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.fail;
 
-//import static com.mongodb.connection.EventListeners.NOOP_CLUSTER_LISTENER;
-
 // See https://github.com/mongodb/specifications/tree/master/source/server-discovery-and-monitoring/tests
 @RunWith(Parameterized.class)
 public class ServerDiscoveryAndMonitoringTest extends AbstractServerDiscoveryAndMonitoringTest {

driver/src/main/com/mongodb/Mongo.java

@@ -740,10 +740,8 @@ private static Cluster createCluster(final ClusterSettings clusterSettings, fina
 
     private static ClusterSettings getClusterSettings(final List<ServerAddress> seedList, final MongoClientOptions options,
                                                       final ClusterConnectionMode clusterConnectionMode) {
-        List<ServerAddress> hosts = new ArrayList<ServerAddress>();
-        hosts.addAll(seedList);
         ClusterSettings.Builder builder = ClusterSettings.builder()
-                .hosts(hosts)
+                .hosts(new ArrayList<ServerAddress>(seedList))
                 .mode(clusterConnectionMode)
                 .requiredReplicaSetName(options.getRequiredReplicaSetName())
                 .serverSelectionTimeout(options.getServerSelectionTimeout(), MILLISECONDS)