get rid of cron.sh for now

Signed-off-by: Mattia Rizzolo <mattia@debian.org>

roles/ssl-keys/templates/cron.sh

-#!/bin/bash
-#
-# {{ ansible_managed }}
-#
-
-set -euo pipefail
-IFS=$'\n\t'
-
-BASE="/etc/ssl-keys"
-
-
-if [[ "`whoami`" != "ssl-keys" ]]; then
-    echo "This must be run as ssl-keys!"
-    exit 1
-fi
-
-"${BASE}/request.sh"
-
-for hook in `ls -1 "${BASE}/hooks"`; do
-    if [[ -x "${BASE}/hooks/${hook}" ]]; then
-        "${BASE}/hooks/${hook}"
-    fi
-done