Remove deprecated py3compat.environ call (#85501)

Signed-off-by: Abhijeet Kasurde <Akasurde@redhat.com>

changelogs/fragments/remove_py3compat.yml

@@ -0,0 +1,3 @@
+---
+removed_features:
+    - py3compat - remove deprecated ``py3compat.environ`` call.

lib/ansible/utils/py3compat.py

@@ -1,27 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# (c) 2018, Toshio Kuratomi <a.badger@gmail.com>
-# Copyright: Contributors to the Ansible project
-# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
-
-from __future__ import annotations
-
-import os
-
-from ansible.utils.display import Display
-
-
-display = Display()
-
-
-def __getattr__(name):
-    if name != 'environ':
-        raise AttributeError(name)
-
-    display.deprecated(
-        msg='`ansible.utils.py3compat.environ` is deprecated.',
-        version='2.20',
-        help_text='Use `os.environ` from the Python standard library instead.',
-    )
-
-    return os.environ

test/sanity/ignore.txt

@@ -236,7 +236,6 @@ lib/ansible/cli/doc.py pylint:ansible-deprecated-version  # TODO: 2.20
 lib/ansible/galaxy/api.py pylint:ansible-deprecated-version  # TODO: 2.20
 lib/ansible/plugins/filter/encryption.py pylint:ansible-deprecated-version  # TODO: 2.20
 lib/ansible/utils/encrypt.py pylint:ansible-deprecated-version  # TODO: 2.20
-lib/ansible/utils/py3compat.py pylint:ansible-deprecated-version  # TODO: 2.20
 lib/ansible/utils/ssh_functions.py pylint:ansible-deprecated-version  # TODO: 2.20
 lib/ansible/vars/manager.py pylint:ansible-deprecated-version-comment  # TODO: 2.20
 lib/ansible/vars/plugins.py pylint:ansible-deprecated-version  # TODO: 2.20