fix: Remove unnecessary codes

Author: j5ik2o

docker-controller-scala-zookeeper/src/main/scala/com/github/j5ik2o/dockerController/zooKeeper/ZooKeeperController.scala

@@ -49,12 +49,7 @@ class ZooKeeperController(
     networkAlias: Option[NetworkAlias] = None
 ) extends DockerControllerImpl(dockerClient, outputFrameInterval)(imageName, imageTag) {
 
-  private def environmentVariables(myId: Int) = {
-//    val defaultEnvVarsExcludeAarch64 = if (sys.props("os.arch") == "aarch64") {
-//      Map.empty
-//    } else {
-//      Map("ZOO_SERVERS" -> s"server.$myId=0.0.0.0:2888:3888")
-//    }
+  private def environmentVariables(myId: Int): Map[String, String] = {
     Map(
       "ZOO_MY_ID" -> myId.toString,
       "ZOO_PORT"  -> containerPort.toString

docker-controller-scala-zookeeper/src/test/scala/com/github/j5ik2o/dockerController/ZooKeeperControllerSpec.scala

@@ -18,7 +18,6 @@ class ZooKeeperControllerSpec extends AnyFreeSpec with DockerControllerSpecSuppo
 
   override protected val dockerControllers: Vector[DockerController] = Vector(zooKeeperController)
 
-  // val waitPredicate: WaitPredicate = WaitPredicates.forListeningHostTcpPort(dockerHost, minioPort)
   val waitPredicate: WaitPredicate =
     WaitPredicates.forLogMessageByRegex(ZooKeeperController.RegexForWaitPredicate, Some((1 * testTimeFactor).seconds))