remove println

spark/src/main/scala/io/parapet/spark/SparkContext.scala

@@ -132,12 +132,10 @@ object SparkContext {
               // todo replace clientId with workerId in MapResult ?
               case NodeProcess.Req(_ /*workerId*/ , data) => Api(data)
             }))
-            _ <- eval(println("step-1"))
             node <- eval(new NodeProcess[F](nodeRef,
               NodeProcess.Config(id, _address, _clusterServers), nodeInMapper.ref, zmqContext))
             _ <- register(ProcessRef.SystemRef, nodeInMapper)
             _ <- register(ProcessRef.SystemRef, node)
-            _ <- eval(println("step-2"))
             workers <- _workers.map { workerId =>
               val wp = new ClusterWorker[F](workerId, node.ref)
               register(ProcessRef.SystemRef, wp) ++ eval(wp.ref)
@@ -176,12 +174,8 @@ object SparkContext {
   class ClusterWorker[F[_]](id: String, nodeRef: ProcessRef) extends io.parapet.core.Process[F] {
     override val ref: ProcessRef = ProcessRef(id)
 
-    import dsl._
-
     override def handle: Receive = {
-      case cmd: Api =>
-        eval(println(s"send $cmd to $nodeRef worker=$id")) ++
-          NodeProcess.Req(id, cmd.toByteArray) ~> nodeRef
+      case cmd: Api => NodeProcess.Req(id, cmd.toByteArray) ~> nodeRef
     }
   }