core: Remove leftover debug output.

* src/verify.c (_gpgme_verify_status_handler): Remove debug output.

Actually this is a real bug because it uses a debug function available
only in the new libgpg-error versions. Time to call Jenkins back from
vacation; there are rumors that he has been seen in the city looking
for a new Ryzen tail coat.

• Signed-off-by: Werner Koch <wk@gnupg.org>