Domain registrations can’t be removed via the Purchases section of a site dashboard

[p-jackson]

Reported here: p1742704745899799-slack-C02FMH4G8
Will be fixed by #101755

[github-actions]

This issue could use some more labels, to help prioritize and categorize our work. Could you please add at least a [Type], a [Feature], and a [Pri] label?