print_field should not print `index: value` for arrays

[karth295]

            0
                name: OOZIE_CLIENT
            1
                name: HBASE_CLIENT
            2
                name: FALCON_CLIENT
            3
                name: TEZ_CLIENT
            4
                name: MAHOUT
            5
                name: SUPERVISOR
            6
                name: YARN_CLIENT
            7
                name: NODEMANAGER
            8
                name: METRICS_MONITOR
            9
                name: MAPREDUCE2_CLIENT
            10
                name: PIG
            11
                name: ACCUMULO_TSERVER
            12
                name: HIVE_CLIENT
            13
                name: ZOOKEEPER_CLIENT
            14
                name: HCAT
            15
                name: SPARK_CLIENT
            16
                name: HBASE_REGIONSERVER
            17
                name: HDFS_CLIENT
            18
                name: SQOOP
            19
                name: ACCUMULO_CLIENT

[karth295]

Already fixed.