decreased core size in mtr uat sit

crss-mtr/crss-mtr-pemc-uat-sit.yml

@@ -45,7 +45,7 @@ spring:
         chronos:
           apiEndpoint: http://master.mesos/service/chronos/v1
           memory: 4096
-          cpu: 2
+          cpu: 1
     task:
       initialize:
         enable: false