Fix AWS node source definition script

src/main/resources/Define_NS_AWS.xml

@@ -55,7 +55,6 @@ def infrastructureParameters = [variables.get("aws_username"), //username
                                 protocol + "://" + variables.get("rm_host_name") + ":"+ variables.get("pa_port") + "/connector-iaas", //connector-iaas url
                                 protocol + "://" + variables.get("rm_host_name") + ":"+ variables.get("pa_port") + "/rest/node.jar", //node jar url
                                 "-Dproactive.useIPaddress=true", //additionalProperties"
-                                "",
                                 "300000", //timeout
                                 ""]
 def infrastructureFileParameters = [""]