tests/functional/arm/test_aspeed_ast1030: Remove unused import

This file does not use LinuxKernelTest directly (but AspeedTest),
so we can remove this unnecessary import here.

Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-ID: <20251024124016.799687-1-thuth@redhat.com>

tests/functional/arm/test_aspeed_ast1030.py

@@ -6,9 +6,8 @@
 #
 # SPDX-License-Identifier: GPL-2.0-or-later
 
-from qemu_test import LinuxKernelTest, Asset
 from aspeed import AspeedTest
-from qemu_test import exec_command_and_wait_for_pattern
+from qemu_test import Asset, exec_command_and_wait_for_pattern
 
 
 class AST1030Machine(AspeedTest):