<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def delete(self):
 """ delete the jenkins job, if it exists """

        if self.jenkins_host.has_job(self.name):
            LOGGER.info("deleting {0}...".format(self.name))
            self.jenkins_host.delete_job(self.name)