qa/common.check: cleanup the temp file rc_cron_check.clean in _remove_cron()
qa/common.check: cleanup the temp file rc_cron_check.clean in _remove_cron()

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp