Clean up unused imports in `hacking` directory (#79894)

hacking/azp/download.py

@@ -27,7 +27,6 @@ import argparse
 import json
 import os
 import re
-import sys
 import io
 import zipfile
 

hacking/build_library/build_ansible/command_plugins/docs_build.py

@@ -19,7 +19,7 @@ from ansible.release import __version__ as ansible_core__version__
 # Pylint doesn't understand Python3 namespace modules.
 # pylint: disable=relative-beyond-top-level
 from ..commands import Command
-from ..errors import InvalidUserInput, MissingUserInput
+from ..errors import InvalidUserInput
 # pylint: enable=relative-beyond-top-level
 
 

hacking/build_library/build_ansible/command_plugins/update_intersphinx.py

@@ -7,21 +7,15 @@ from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
 
-import argparse
 import importlib
-import os
 import pathlib
-import time
 import urllib.parse
 
-from collections import defaultdict
-
 from ansible.module_utils.common.collections import is_iterable
 from ansible.module_utils.urls import Request
 
 # Pylint doesn't understand Python3 namespace modules.
 from ..commands import Command  # pylint: disable=relative-beyond-top-level
-from .. import errors  # pylint: disable=relative-beyond-top-level
 
 
 EXAMPLE_CONF = """