Remove broken error message

Checkout fills related hold causes an empty array sometimes, so don't throw
out errors for that.

Also, the original error would itself fail, throwing an error that would
then fail as well, likely due to a copy/paste issue.

Signed-off-by: Thomas Berezansky <tsbere@mvlc.org>
Signed-off-by: Ben Shum <bshum@biblio.org>