HDFS transparency 33 fix

Signed off by: Dherendra Singh <dhersing@in.ibm.com>

Author: dheren-git

roles/scale_hdfs/precheck/tasks/prepare_env.yml

@@ -21,6 +21,3 @@
     - transparency_version.stdout|bool
   delegate_to: localhost
   run_once: true
-
-- debug:
-   var: transparency_33_enabled|bool

samples/vars/hdfs_cluster_vars.yml

@@ -16,5 +16,5 @@ scale_hdfs_clusters:
   name: mycluster
   filesystem: gpfs1
   namenodes: ['host-vm1.test.net', 'host-vm2.test.net']
-  datanodes: ['host-vm1.test.net', 'host-vm2.test.net', 'host-vm3.test.net']
+  datanodes: ['host-vm3.test.net', 'host-vm4.test.net', 'host-vm5.test.net']
   datadir: datadir