remove unused imports (#221)

Author: shkoder

cluster-bootstrap/src/main/scala/akka/management/cluster/bootstrap/ClusterBootstrapSettings.scala

@@ -4,13 +4,12 @@
 package akka.management.cluster.bootstrap
 
 import java.util.Locale
-import java.util.concurrent.{ ThreadLocalRandom, TimeUnit }
+import java.util.concurrent.TimeUnit
 
 import akka.actor.ActorSystem
 import com.typesafe.config.Config
 
 import scala.concurrent.duration.{ FiniteDuration, _ }
-import scala.util.Try
 
 final class ClusterBootstrapSettings(config: Config) {
   private implicit class HasDefined(val config: Config) {

cluster-bootstrap/src/main/scala/akka/management/cluster/bootstrap/internal/BootstrapCoordinator.scala

@@ -28,7 +28,7 @@ import akka.management.cluster.bootstrap.JoinSelf
 import akka.management.cluster.bootstrap.KeepProbing
 import akka.management.cluster.bootstrap.SeedNodesInformation
 import akka.management.cluster.bootstrap.SeedNodesObservation
-import akka.pattern.{ pipe, BackoffSupervisor }
+import akka.pattern.pipe
 
 import scala.concurrent.duration._
 import scala.util.Try

discovery-consul/src/test/scala/akka/cluster/bootstrap/discovery/ConsulDiscoverySpec.scala

@@ -9,8 +9,8 @@ import akka.discovery.consul.ConsulSimpleServiceDiscovery
 import akka.testkit.TestKitBase
 import com.google.common.net.HostAndPort
 import com.orbitz.consul.Consul
-import com.orbitz.consul.model.catalog.{ CatalogRegistration, ImmutableCatalogRegistration }
-import com.orbitz.consul.model.health.{ ImmutableService, Service }
+import com.orbitz.consul.model.catalog.ImmutableCatalogRegistration
+import com.orbitz.consul.model.health.ImmutableService
 import com.pszymczyk.consul.{ ConsulProcess, ConsulStarterBuilder }
 import org.scalatest.concurrent.ScalaFutures
 import org.scalatest.time.{ Millis, Seconds, Span }