docs: def remove(self):
          """Permanently remove a specific object version from the database.
  
          .. warning::
  
             This by-passes the normal versioning and should only be used when
             you want to permanently delete a specific object version. Otherwise
             use :py:data:`ObjectVersion.delete()`.
  
             Note the method does not remove the associated file instance which
             must be garbage collected.
  
          :returns: ``self``.
          """
          with db.session.begin_nested():
              if self.file_id:
                  self.bucket.size -= self.file.size
              self.query.filter_by(
                  bucket_id=self.bucket_id,
                  key=self.key,
                  version_id=self.version_id,
              ).delete()
  
          return self