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
diff --git a/test/py/tests/test_source.py b/test/py/tests/test_source.py
index 60013e4..f0437aa 100644
--- a/test/py/tests/test_source.py
+++ b/test/py/tests/test_source.py
@@ -3,7 +3,7 @@
 
 import os
 import pytest
-import utils as util
+import utils
 
 @pytest.mark.boardspec('sandbox')
 @pytest.mark.buildconfigspec('cmd_echo')
@@ -15,7 +15,7 @@
     mkimage = os.path.join(cons.config.build_dir, 'tools/mkimage')
     its = os.path.join(cons.config.source_dir, 'test/py/tests/source.its')
     fit = os.path.join(cons.config.build_dir, 'source.itb')
-    util.run_and_log(cons, (mkimage, '-f', its, fit))
+    utils.run_and_log(cons, (mkimage, '-f', its, fit))
     cons.run_command(f'host load hostfs - $loadaddr {fit}')
 
     assert '2' in cons.run_command('source')