CI: fixing the files to be complient with pre-commit hooks

components/asio/examples/ssl_client_server/pytest_asio_ssl_client_server_test.py

@@ -1,8 +1,7 @@
+# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
+# SPDX-License-Identifier: Unlicense OR CC0-1.0
 from __future__ import unicode_literals
 
-import pytest
-from pytest_embedded import Dut
-
 
 def test_examples_asio_ssl(dut):
     dut.expect('Reply: GET / HTTP/1.1')