public function removeJob($jobName, array $config)
{
if (empty($config["command"])) {
throw new \Exception("'command' is required for '{$jobName}' job");
}
$config['name'] = $jobName;
$jobs = $this->em->getRepository('Newscoop\\Entity\\CronJob')->findBy($config);
foreach ($jobs as $job) {
$this->em->remove($job);
$this->em->flush();
}
}