Remove deprecated imports from basic.py (#86065)

Fixes #85997

changelogs/fragments/85997-basic-py-deprecations.yml

@@ -0,0 +1,2 @@
+removed_features:
+  - Removed deprecated ability to import ``datetime``, ``signal``, ``types``, ``chain``, ``repeat``, ``map`` and ``shlex_quote`` from ``ansible.module_utils.basic``.

lib/ansible/module_utils/basic.py

@@ -2200,30 +2200,11 @@ _mini_six = {
 
 def __getattr__(importable_name):
     """Inject import-time deprecation warnings."""
-    if importable_name == 'datetime':
+    if (importable := _mini_six.get(importable_name, ...)) is ...:
-        import datetime
-        importable = datetime
-    elif importable_name == 'signal':
-        import signal
-        importable = signal
-    elif importable_name == 'types':
-        import types
-        importable = types
-    elif importable_name == 'chain':
-        from itertools import chain
-        importable = chain
-    elif importable_name == 'repeat':
-        from itertools import repeat
-        importable = repeat
-    elif importable_name == 'map':
-        importable = map
-    elif importable_name == 'shlex_quote':
-        importable = shlex.quote
-    elif (importable := _mini_six.get(importable_name, ...)) is ...:
         raise AttributeError(f"module {__name__!r} has no attribute {importable_name!r}")
 
     deprecate(
         msg=f"Importing '{importable_name}' from '{__name__}' is deprecated.",
-        version="2.21",
+        version="2.24",
     )
     return importable

test/sanity/ignore.txt

@@ -228,7 +228,6 @@ test/integration/targets/ansible-test-sanity-pylint/deprecated_thing.py pylint:a
 test/integration/targets/ansible-test-sanity-pylint/deprecated_thing.py pylint:ansible-deprecated-date-not-permitted  # required to verify plugin against core
 test/integration/targets/ansible-test-sanity-pylint/deprecated_thing.py pylint:ansible-deprecated-unnecessary-collection-name  # required to verify plugin against core
 test/integration/targets/ansible-test-sanity-pylint/deprecated_thing.py pylint:ansible-deprecated-collection-name-not-permitted  # required to verify plugin against core
-lib/ansible/module_utils/basic.py pylint:ansible-deprecated-version  # TODO: 2.21
 lib/ansible/module_utils/compat/paramiko.py pylint:ansible-deprecated-version  # TODO: 2.21
 lib/ansible/plugins/connection/paramiko_ssh.py pylint:ansible-deprecated-version  # TODO: 2.21
 lib/ansible/plugins/strategy/__init__.py pylint:ansible-deprecated-version  # TODO: 2.21