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/memset.py

@@ -17,7 +17,7 @@ from ansible.module_utils.basic import json
 import urllib.error as urllib_error
 
 
-class Response(object):
+class Response:
     '''
     Create a response object to mimic that of requests.
     '''