linux: hidden_modules: Remove unused module imports

Author: gcmoreira

volatility3/framework/plugins/linux/hidden_modules.py

@@ -1,9 +1,7 @@
 # This file is Copyright 2024 Volatility Foundation and licensed under the Volatility Software License 1.0
 # which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
 #
-import re
 import logging
-import contextlib
 from typing import List, Set, Tuple, Iterable
 from volatility3.framework import renderers, interfaces, exceptions, objects
 from volatility3.framework.constants.architectures import LINUX_ARCHS