Delete a user from the Fintecture Console. This revokes the user's access: their Firebase authentication credentials are deleted and all their memberships are removed.

🔒 External clients call this endpoint with an OAC (Organisation Access Credentials — ⚠️ Beta) access token carrying the users:write scope.

⚠️ This is a destructive operation. Deleting a user will remove their Firebase authentication credentials and all memberships associated with the user.