Remove external mock dependency (#9331)

* Remove external mock dependency

This also removes the "external-mock" test environment

* remove superfluous ignores

* remove mock warning ignore from pytest.ini

* drop deps on mock in oldest, drop dep on types-mock

Co-authored-by: Alex Zorin <alex@zorin.id.au>

certbot-apache/tests/augeasnode_test.py

@@ -1,13 +1,9 @@
 """Tests for AugeasParserNode classes"""
 from typing import List
 
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
-
 import os
 import util
+from unittest import mock
 
 from certbot import errors
 

certbot-apache/tests/autohsts_test.py

@@ -2,11 +2,7 @@
 """Test for certbot_apache._internal.configurator AutoHSTS functionality"""
 import re
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot import errors
 from certbot_apache._internal import constants

certbot-apache/tests/centos_test.py

@@ -1,10 +1,6 @@
 """Test for certbot_apache._internal.configurator for Centos overrides"""
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot import errors
 from certbot.compat import filesystem

certbot-apache/tests/configurator_reverter_test.py

@@ -1,11 +1,7 @@
 """Test for certbot_apache._internal.configurator implementations of reverter"""
 import shutil
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot import errors
 import util

certbot-apache/tests/configurator_test.py

@@ -5,11 +5,7 @@ import shutil
 import socket
 import tempfile
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from acme import challenges
 from certbot import achallenges

certbot-apache/tests/debian_test.py

@@ -1,11 +1,7 @@
 """Test for certbot_apache._internal.configurator for Debian overrides"""
 import shutil
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot import errors
 from certbot.compat import os

certbot-apache/tests/display_ops_test.py

@@ -1,10 +1,6 @@
 """Test certbot_apache._internal.display_ops."""
 import unittest
-
-try:
-    import mock
-except ImportError:  # pragma: no cover
-    from unittest import mock  # type: ignore
+from unittest import mock
 
 from certbot import errors
 from certbot.display import util as display_util

certbot-apache/tests/dualnode_test.py

@@ -1,10 +1,6 @@
 """Tests for DualParserNode implementation"""
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot_apache._internal import assertions
 from certbot_apache._internal import augeasparser

certbot-apache/tests/entrypoint_test.py

@@ -1,10 +1,6 @@
 """Test for certbot_apache._internal.entrypoint for override class resolution"""
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot_apache._internal import configurator
 from certbot_apache._internal import entrypoint

certbot-apache/tests/fedora_test.py

@@ -1,10 +1,6 @@
 """Test for certbot_apache._internal.configurator for Fedora 29+ overrides"""
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot import errors
 from certbot.compat import filesystem

certbot-apache/tests/gentoo_test.py

@@ -1,10 +1,6 @@
 """Test for certbot_apache._internal.configurator for Gentoo overrides"""
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot import errors
 from certbot.compat import filesystem

certbot-apache/tests/http_01_test.py

@@ -2,11 +2,7 @@
 import unittest
 import errno
 from typing import List
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from acme import challenges
 from certbot import achallenges

certbot-apache/tests/parser_test.py

@@ -1,11 +1,7 @@
 """Tests for certbot_apache._internal.parser."""
 import shutil
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 from certbot import errors
 from certbot.compat import os

certbot-apache/tests/parsernode_configurator_test.py

@@ -1,10 +1,6 @@
 """Tests for ApacheConfigurator for AugeasParserNode classes"""
 import unittest
-
-try:
-    import mock
-except ImportError: # pragma: no cover
-    from unittest import mock # type: ignore
+from unittest import mock
 
 import util
 

certbot-apache/tests/util.py

@@ -4,11 +4,7 @@ import unittest
 
 import augeas
 import josepy as jose
-
-try:
-    import mock
-except ImportError:  # pragma: no cover
-    from unittest import mock  # type: ignore
+from unittest import mock
 
 from certbot.compat import os
 from certbot.plugins import common