reduce parallel jobs dev2

crss-dataflow-app/crss-dataflow-app-dev2.yml

@@ -30,7 +30,7 @@ dataflow:
   url: http://spring-cloud-data-flow.marathon.l4lb.thisdcos.directory:9393
 
 scheduler:
-  parallel-stl-monthly-job: 6
+  parallel-stl-monthly-job: 2
   launch-timeout-seconds: 1800
   job-execution-timeout-minutes:
     default: 180