cros_build_lib.run: clean up error_code_ok->check migration

BUG=chromium:1006587
TEST=`./run_tests` passes

Change-Id: Ie416c5f7b16314a34a3a53f503469b3cc93fb9e2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/1965957
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
diff --git a/cli/flash.py b/cli/flash.py
index 10c8b16..db168a8 100644
--- a/cli/flash.py
+++ b/cli/flash.py
@@ -242,7 +242,7 @@
     # Ignore errors because sfdisk (util-linux < v2.32) isn't always happy to
     # fix GPT sanity issues.
     cros_build_lib.sudo_run(['sfdisk', device], input='write\n',
-                            error_code_ok=True,
+                            check=False,
                             debug_level=self.debug_level)
 
     cros_build_lib.sudo_run(['partx', '-u', device],