Support new test-sanity-docker-devel test

* Remove unused module import

Signed-off-by: Hideki Saito <saito@fgrep.org>

changelogs/fragments/425-support_test-sanity-docker-devel.yml

@@ -0,0 +1,2 @@
+trivial:
+  - ansible.posix - removed unused module import from the code.

plugins/module_utils/version.py

@@ -16,3 +16,5 @@ __metaclass__ = type
 #     from ansible.module_utils.compat.version import LooseVersion
 
 from ._version import LooseVersion, StrictVersion
+
+__all__ = ['LooseVersion', 'StrictVersion']

plugins/modules/firewalld_info.py

@@ -204,7 +204,6 @@ firewalld_info:
 '''
 
 from ansible.module_utils.basic import AnsibleModule, missing_required_lib
-from ansible.module_utils.six import raise_from
 from ansible.module_utils._text import to_native
 from ansible_collections.ansible.posix.plugins.module_utils.version import StrictVersion
 

tests/unit/compat/builtins.py

@@ -31,3 +31,4 @@ except ImportError:
     BUILTINS = 'builtins'
 else:
     BUILTINS = '__builtin__'
+    __all__ = ['__builtin__']

tests/unit/plugins/action/test_synchronize.py

@@ -19,7 +19,6 @@ import os
 import unittest
 import yaml
 
-import ansible.plugins
 from ansible_collections.ansible.posix.tests.unit.compat.mock import patch, MagicMock
 from ansible_collections.ansible.posix.plugins.action.synchronize import ActionModule