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_fit.py b/test/py/tests/test_fit.py
index 0f2d094..bfc20c4 100755
--- a/test/py/tests/test_fit.py
+++ b/test/py/tests/test_fit.py
@@ -6,7 +6,7 @@
 import os
 import pytest
 import struct
-import utils as util
+import utils
 import fit_util
 
 # Define a base ITS which we can adjust using % and a dictionary
@@ -165,7 +165,7 @@
         return fname
 
     def make_compressed(filename):
-        util.run_and_log(cons, ['gzip', '-f', '-k', filename])
+        utils.run_and_log(cons, ['gzip', '-f', '-k', filename])
         return filename + '.gz'
 
     def find_matching(text, match):