Cleanup autogenerated instructions BUG=b:458487041 TEST=~/chromiumos/src/platform/dev/contrib/cros_update_firmware --board ambassador Change-Id: I65dfb2883201c5603caf99f691c7bd4870ab32d3 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/7267115 Reviewed-by: Jon Murphy <jpmurphy@google.com> Tested-by: Jeremy Bettis <jbettis@chromium.org> Commit-Queue: Jon Murphy <jpmurphy@google.com> Auto-Submit: Jeremy Bettis <jbettis@chromium.org>