disable docstranslation cron on sundries01
This script is being moved to openshift.
The ssh keypair need to be recovered from ~_update_docs_trans/.ssh/id_rsa_docs_trans
and copied over /srv/private/ansible/files/docstranslation/id_rsa_docstrans_prod on batcave01.
Signed-off-by: Francois Andrieu <darknao@fedoraproject.org>