Move dmesg to tools

Signed-off-by: Katarzyna Treder <katarzyna.treder@h-partners.com>

test_utils/dmesg.py

@@ -1,15 +0,0 @@
-#
-# Copyright(c) 2024 Huawei Technologies Co., Ltd.
-# SPDX-License-Identifier: BSD-3-Clause
-#
-
-from core.test_run import TestRun
-from connection.utils.output import Output
-
-
-def get_dmesg() -> str:
-    return TestRun.executor.run("dmesg").stdout
-
-
-def clear_dmesg() -> Output:
-    return TestRun.executor.run("dmesg -C")