test/py: Drop importing utils as util

Now that we have a shorter name, we don't need this sort of thing.
Drop it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com> # test_android

test/py/tests/test_fs/conftest.py

@@ -8,7 +8,6 @@ import pytest
 import re
 from subprocess import call, check_call, check_output, CalledProcessError
 from fstest_defs import *
-import utils as util
 # pylint: disable=E0611
 from tests import fs_helper