CRON jobs with an Action of “!NONE”

Hey.

Quick question.

I just installed your plugin because the WordPress Site Health was stating there were some issues with my CRON jobs, so decided to see what was going on.

A few CRON jobs showed with an action of: !NONE

Does that mean the CRON job doesn’t do anything and can be deleted?

There is one for Gravity Forms which I know I don’t use anymore, so presume I can delete that one.

But there are two others I have googled but can’t figure out what they are:

bp_purge_transients_cron
s3-backup

Any ideas?

If the action is !NONE, then does that mean they are useless anyways, or could they still be doing something useful somehow?

Thanks.

Michael