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

* Address UP025: remove unicode literals from strings.

* Address UP004: class inherits from 'object'.

plugins/modules/cloudflare_dns.py

@@ -453,7 +453,7 @@ def join_str(sep, *args):
     return sep.join([str(arg) for arg in args])
 
 
-class CloudflareAPI(object):
+class CloudflareAPI:
 
     cf_api_endpoint = 'https://api.cloudflare.com/client/v4'
     changed = False