documentation for pagebuilder row widget is incomplete

There is no information in the document on how to unset/remove a background image.  it seems that once you set a background image it is impossible to remove it.

https://experienceleague.adobe.com/en/docs/commerce-admin/page-builder/layout/row

https://github.com/AdobeDocs/commerce-admin.en/blob/main/help/page-builder/row.md