Cleanup: remove unicode prefix, remove explicit inheritance from object (#11015)

* Address UP025: remove unicode literals from strings.

* Address UP004: class inherits from 'object'.

plugins/module_utils/ipa.py

@@ -40,7 +40,7 @@ def _env_then_dns_fallback(*args, **kwargs):
             raise AnsibleFallbackNotFound
 
 
-class IPAClient(object):
+class IPAClient:
     def __init__(self, module, host, port, protocol):
         self.host = host
         self.port = port