ipa[server,replica,client]: Remove unused variables and wrong doc strings

roles/ipaclient/action_plugins/ipaclient_get_otp.py

@@ -31,11 +31,6 @@ from ansible.errors import AnsibleError
 from ansible.module_utils._text import to_native
 from ansible.plugins.action import ActionBase
 
-try:
-    from __main__ import display
-except ImportError:
-    from ansible.utils.display import Display
-    display = Display()
 
 def run_cmd(args, stdin=None):
     """