Remove other redundant 'throw e'

Author: aarondav

core/src/main/scala/org/apache/spark/api/python/PythonWorkerFactory.scala

@@ -71,7 +71,6 @@ private[spark] class PythonWorkerFactory(pythonExec: String, envVars: Map[String
           stopDaemon()
           startDaemon()
           new Socket(daemonHost, daemonPort)
-        case e: Exception => throw e
       }
     }
   }