Update cron-jobs.md (#9234)

* Update cron-jobs.md

Removed bullet point indicating that a `CronJob` can run "Once at a specified point in time", since this use case is either not possible, or not documented at all.

* change wording
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Eric Staples 2018-07-19 14:05:31 -07:00 committed by k8s-ci-robot
parent 13e1fbaa73
commit 98c88097b0
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@ -10,10 +10,7 @@ weight: 80
{{% capture overview %}}
A _Cron Job_ manages time based [Jobs](/docs/concepts/workloads/controllers/jobs-run-to-completion/), namely:
* Once at a specified point in time
* Repeatedly at a specified point in time
A _Cron Job_ creates [Jobs](/docs/concepts/workloads/controllers/jobs-run-to-completion/) on a time-based schedule.
One CronJob object is like one line of a _crontab_ (cron table) file. It runs a job periodically
on a given schedule, written in [Cron](https://en.wikipedia.org/wiki/Cron) format.