AMBARI-15101. Remove the dependency between ZK start and Ranger user sync start (smohanty)

ambari-server/src/main/resources/stacks/HDP/2.2/role_command_order.json

@@ -23,7 +23,6 @@
     "KAFKA_BROKER-START" : ["ZOOKEEPER_SERVER-START", "RANGER_USERSYNC-START"],
     "KAFKA_SERVICE_CHECK-SERVICE_CHECK": ["KAFKA_BROKER-START"],
     "RANGER_USERSYNC-START" : ["RANGER_ADMIN-START"],
-    "ZOOKEEPER_SERVER-START" : ["RANGER_USERSYNC-START"],
     "KNOX_GATEWAY-START": ["RANGER_USERSYNC-START"],
     "KNOX_SERVICE_CHECK-SERVICE_CHECK" : ["KNOX_GATEWAY-START"],
     "RESOURCEMANAGER-START" : ["RANGER_USERSYNC-START"],