AO3-6728 Delete comments properly for spammer bans

[EchoEkhi]

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Issue

https://otwarchive.atlassian.net/browse/AO3-6728

Purpose

Fix "Spammer: ban and delete all creations" option for PAC admins and delete the comments properly

Testing Instructions

See JIRA ticket.

Credit

EchoEkhi (He/him)

[Bilka2]

Thanks for working on the locale! I made a note on the behaviour of marking the comment as spam and then more review comments cascaded from there.

[Bilka2]

Thank you!