Update trial pause docs

[Sijoma]

The first statement says "No data is lost", the second then "disk space is cleared".

I think we can keep it simple and just keep the latter.

Still needs to be back ported to all versions.

Description

When should this change go live?

• This is a bug fix, security concern, or something that needs urgent release support.
• This is already available but undocumented and should be released within a week.
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PR Checklist

• My changes are for an already released minor and are in /versioned_docs directory.
• My changes are for the next minor and are in /docs directory (aka /next/).

• My changes require an Engineering review, and I've assigned the Engineering DRI or delegate.
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[github-actions]

👋 🤖 ✅ Looks like the changes were ported across versions, nice job! 🎉

You can read more about the versioning within our docs in our documentation guidelines.

[ultraschuppi]

lgtm

[mesellings]

Approving to get the docs out, but just some concerns to check:

• Does this mean paused dev tagged clusters are no longer automatically deleted after 30 paused days? You are removing this so I assume so?
• We no longer need to backport to 8.2 as it is being archived currently, but I can fix that in a follow-up PR once I'm properly back online