Fix ansible-lint E201 by removing trailing white space from playbooks.

tests/privilege/test_privilege_client_context.yml

@@ -35,4 +35,3 @@
 - name: Test privilege using client context, in server host.
   import_playbook: test_privilege.yml
   when: groups['ipaclients'] is not defined or not groups['ipaclients']
- 

tests/pwpolicy/test_pwpolicy_client_context.yml

@@ -35,4 +35,3 @@
 - name: Test pwpolicy using client context, in server host.
   import_playbook: test_pwpolicy.yml
   when: groups['ipaclients'] is not defined or not groups['ipaclients']
-  

tests/trust/test_trust_client_context.yml

@@ -35,4 +35,3 @@
 - name: Test trust using client context, in server host.
   import_playbook: test_trust.yml
   when: groups['ipaclients'] is not defined or not groups['ipaclients']
-