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

* Address UP025: remove unicode literals from strings.

* Address UP004: class inherits from 'object'.

tests/unit/plugins/module_utils/test_saslprep.py

@@ -11,36 +11,36 @@ from ansible_collections.community.general.plugins.module_utils.saslprep import
 
 
 VALID = [
-    (u'', u''),
-    (u'\u00A0', u' '),
-    (u'a', u'a'),
-    (u'й', u'й'),
-    (u'\u30DE\u30C8\u30EA\u30C3\u30AF\u30B9', u'\u30DE\u30C8\u30EA\u30C3\u30AF\u30B9'),
-    (u'The\u00ADM\u00AAtr\u2168', u'TheMatrIX'),
-    (u'I\u00ADX', u'IX'),
-    (u'user', u'user'),
-    (u'USER', u'USER'),
-    (u'\u00AA', u'a'),
-    (u'\u2168', u'IX'),
-    (u'\u05BE\u00A0\u05BE', u'\u05BE\u0020\u05BE'),
+    ('', ''),
+    ('\u00A0', ' '),
+    ('a', 'a'),
+    ('й', 'й'),
+    ('\u30DE\u30C8\u30EA\u30C3\u30AF\u30B9', '\u30DE\u30C8\u30EA\u30C3\u30AF\u30B9'),
+    ('The\u00ADM\u00AAtr\u2168', 'TheMatrIX'),
+    ('I\u00ADX', 'IX'),
+    ('user', 'user'),
+    ('USER', 'USER'),
+    ('\u00AA', 'a'),
+    ('\u2168', 'IX'),
+    ('\u05BE\u00A0\u05BE', '\u05BE\u0020\u05BE'),
 ]
 
 INVALID = [
     (None, TypeError),
     (b'', TypeError),
-    (u'\u0221', ValueError),
-    (u'\u0007', ValueError),
-    (u'\u0627\u0031', ValueError),
-    (u'\uE0001', ValueError),
-    (u'\uE0020', ValueError),
-    (u'\uFFF9', ValueError),
-    (u'\uFDD0', ValueError),
-    (u'\u0000', ValueError),
-    (u'\u06DD', ValueError),
-    (u'\uFFFFD', ValueError),
-    (u'\uD800', ValueError),
-    (u'\u200E', ValueError),
-    (u'\u05BE\u00AA\u05BE', ValueError),
+    ('\u0221', ValueError),
+    ('\u0007', ValueError),
+    ('\u0627\u0031', ValueError),
+    ('\uE0001', ValueError),
+    ('\uE0020', ValueError),
+    ('\uFFF9', ValueError),
+    ('\uFDD0', ValueError),
+    ('\u0000', ValueError),
+    ('\u06DD', ValueError),
+    ('\uFFFFD', ValueError),
+    ('\uD800', ValueError),
+    ('\u200E', ValueError),
+    ('\u05BE\u00AA\u05BE', ValueError),
 ]