tests/functional: Remove unnecessary import statements

pylint complains about these unnecessary import statements,
so let's remove them.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250414145457.261734-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/functional/qemu_test/ports.py

@@ -10,12 +10,11 @@
 import fcntl
 import os
 import socket
-import sys
-import tempfile
 
 from .config import BUILD_DIR
 from typing import List
 
+
 class Ports():
 
     PORTS_ADDR = '127.0.0.1'

tests/functional/qemu_test/tuxruntest.py

@@ -10,8 +10,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 import os
-import stat
-from subprocess import check_call, DEVNULL
 
 from qemu_test import QemuSystemTest
 from qemu_test import exec_command_and_wait_for_pattern

tests/functional/qemu_test/uncompress.py

@@ -13,7 +13,7 @@ import os
 import stat
 import shutil
 from urllib.parse import urlparse
-from subprocess import run, CalledProcessError, DEVNULL
+from subprocess import run, CalledProcessError
 
 from .asset import Asset