drop unneeded object inheritance

There is no longer a need to define Object inheritance in various
classes (with Python 2.7 dropped); updating.

Signed-off-by: James Knight <[email protected]>

Author: jdknight

sphinxcontrib/confluencebuilder/rest.py

@@ -159,7 +159,7 @@ def _wrapper(self, *args, **kwargs):
     return _decorator
 
 
-class Rest(object):
+class Rest:
     CONFLUENCE_DEFAULT_ENCODING = 'utf-8'
 
     def __init__(self, config):

tests/validation-sets/extensions/src/Hello.py

@@ -3,7 +3,7 @@
 """
 
 
-class Hello(object):
+class Hello:
     """
     This is a Hello class docstring
     """