Change back cronjob timezone note to UTC (#18715)

content/en/docs/concepts/workloads/controllers/cron-jobs.md

@@ -17,14 +17,9 @@ A _Cron Job_ creates [Jobs](/docs/concepts/workloads/controllers/jobs-run-to-com
 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.
 
-{{< caution >}}
-All **CronJob** `schedule:` times are based on the timezone of the
-{{< glossary_tooltip term_id="kube-controller-manager" text="kube-controller-manager" >}}.
-
-If your control plane runs the kube-controller-manager in Pods or bare
-containers, the timezone set for the kube-controller-manager container determines the timezone
-that the cron job controller uses.
-{{< /caution >}}
+{{< note >}}
+All **CronJob** `schedule:` times are denoted in UTC.
+{{< /note >}}
 
 When creating the manifest for a CronJob resource, make sure the name you provide
 is a valid [DNS subdomain name](/docs/concepts/overview/working-with-objects/names#dns-subdomain-names).