Don't ensure python libs

All these packages are now mentioned
as required for fuel/keystone/etc packages.
And they are present on system without
mentioning them in puppets.

Closes-bug: #1616390

Change-Id: I8c9a9b433a004fa3d708712900f47df3176d0eaf

deployment/puppet/fuel/manifests/keystone.pp

@@ -32,8 +32,7 @@ class fuel::keystone (
 
   ) inherits fuel::params {
 
-  ensure_packages(['crontabs', 'os-client-config', 'python-tablib',
-                  'python-unicodecsv', 'rubygem-thread_safe'])
+  ensure_packages(['crontabs', 'rubygem-thread_safe'])
 
   file { ['/etc/httpd/', '/etc/httpd/conf.ports.d/']: ensure  => directory }
   ->