Delete a block file

Removes one attachment — a correction, or an erasure request — deleting both the row

and the encrypted object.

Scoped to the quotation the voter just granted: the uuid alone can never reach a file
belonging to another company, even if it is guessed.

Path Parameters

A descriptor still referenced in a micro-app's state comes back flagged
"missing": true, so the block keeps its field and can ask for the document again.

Response

• 204 No Content: deleted, or nothing matched within this quotation
• 403 Forbidden: the quotation belongs to another company
• 404 Not Found: unknown quotation