Remove license pre-check for ebuild config files

None of the code knows how to ignore license comments, so we should not
be asserting that the config files contain licenses.

BUG=None
TEST=repo upload with config file changes

Change-Id: I71e8974ae9893ae3e46ff6d65d436145cdfba170
Reviewed-on: https://chromium-review.googlesource.com/552343
Commit-Ready: C Shapiro <shapiroc@google.com>
Tested-by: C Shapiro <shapiroc@google.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jason Clinton <jclinton@chromium.org>
1 file changed