Remove the expiration date from domains that are Deleted

[h-m-f-t]

Issue description

In #2823, we made it so that domains we put in the Deleted status don't have an expiration date. Let's update the ~50 domains that are already Deleted and remove the expiration date.

Acceptance criteria

• Remove the expiration date from all domains that have one and are in the Deleted state

Additional context

• We contemplated taking this action in Update delete domain process to remove hosts and/or contacts #2823 (comment).
• I have no preference for how the expiration date is removed, but want to prevent a situation where someone logs in and sees their deleted domain that has a expiration date (especially one in the future).

Links to other issues

None

[h-m-f-t]

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