Make all doc fragments, module utils, and plugin utils private (#11896)

* Make all doc fragments private.

* Make all plugin utils private.

* Make all module utils private.

* Reformat.

* Changelog fragment.

* Update configs and ignores.

* Adjust unit test names.

plugins/module_utils/remote_management/lxca/common.py

@@ -1,83 +0,0 @@
-# This code is part of Ansible, but is an independent component.
-# This particular file snippet, and this file snippet only, is BSD licensed.
-# Modules you write using this snippet, which is embedded dynamically by
-# Ansible still belong to the author of the module, and may assign their
-# own license to the complete work.
-#
-# Copyright (C) 2017 Lenovo, Inc.
-# Simplified BSD License (see LICENSES/BSD-2-Clause.txt or https://opensource.org/licenses/BSD-2-Clause)
-# SPDX-License-Identifier: BSD-2-Clause
-#
-# Contains LXCA common class
-# Lenovo xClarity Administrator (LXCA)
-
-from __future__ import annotations
-
-import traceback
-import typing as t
-
-try:
-    from pylxca import connect, disconnect
-
-    HAS_PYLXCA = True
-except ImportError:
-    HAS_PYLXCA = False
-
-if t.TYPE_CHECKING:
-    from ansible.module_utils.basic import AnsibleModule
-
-
-PYLXCA_REQUIRED = "Lenovo xClarity Administrator Python Client (Python package 'pylxca') is required for this module."
-
-
-def has_pylxca(module: AnsibleModule) -> None:
-    """
-    Check pylxca is installed
-    :param module:
-    """
-    if not HAS_PYLXCA:
-        module.fail_json(msg=PYLXCA_REQUIRED)
-
-
-LXCA_COMMON_ARGS = dict(
-    login_user=dict(required=True),
-    login_password=dict(required=True, no_log=True),
-    auth_url=dict(required=True),
-)
-
-
-class connection_object:
-    def __init__(self, module: AnsibleModule) -> None:
-        self.module = module
-
-    def __enter__(self):
-        return setup_conn(self.module)
-
-    def __exit__(self, type, value, traceback) -> None:
-        close_conn()
-
-
-def setup_conn(module: AnsibleModule):
-    """
-    this function create connection to LXCA
-    :param module:
-    :return:  lxca connection
-    """
-    lxca_con = None
-    try:
-        lxca_con = connect(
-            module.params["auth_url"], module.params["login_user"], module.params["login_password"], "True"
-        )
-    except Exception as exception:
-        error_msg = "; ".join(exception.args)
-        module.fail_json(msg=error_msg, exception=traceback.format_exc())
-    return lxca_con
-
-
-def close_conn() -> None:
-    """
-    this function close connection to LXCA
-    :param module:
-    :return:  None
-    """
-    disconnect()