Removes an attachment from an invoice and permanently deletes the file.
DELETE
/v2/invoices/{invoice_id}/attachments/{attachment_id}
Removes an attachment from an invoice and permanently deletes the file.
Attachments can be removed only from invoices in the DRAFT, SCHEDULED, UNPAID, or PARTIALLY_PAID state.
The ID of the invoice to delete the attachment from.
The ID of the attachment to delete.