remove redundant import

Author: onursatici

resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/SparkKubernetesClientFactory.scala

@@ -118,7 +118,6 @@ private[spark] object SparkKubernetesClientFactory extends Logging {
 
   object ClientType extends Enumeration {
     import scala.language.implicitConversions
-    import Config._
     val Driver = Val(DRIVER_CLIENT_REQUEST_TIMEOUT, DRIVER_CLIENT_CONNECTION_TIMEOUT)
     val Submission = Val(SUBMISSION_CLIENT_REQUEST_TIMEOUT, SUBMISSION_CLIENT_CONNECTION_TIMEOUT)