remove unused import in tests

Author: 2bndy5

clang_tools/util.py

@@ -5,7 +5,6 @@
 A module containing utility functions.
 """
 import platform
-import tarfile
 import urllib.request
 from typing import Optional
 from urllib.error import HTTPError

tests/test_install.py

@@ -1,7 +1,6 @@
 """Tests related to installing a clang tool."""
 from pathlib import PurePath, Path
 import os
-import shutil
 import pytest
 from clang_tools import install_os, suffix
 from clang_tools.install import (