A much delayed followup - I did have to go through multiple levels of support for a few weeks until I finally was able to get connected to someone on the engineering team who confirmed the issue and was able manually deleted these files on their back...

Several files appear to be stuck on our CDN with no way to remove them.   Other people seem to have had this issue to, and the resolution is not clear:https://community.shopify.com/c/shopify-discussions/deleting-images-from-shopify-cdn/td-p/398345"so...

Giving this one a bump here, I still have not been able to find this feature

Our store has many products that use required line item property drop-downs to configure the product and identify how our factory will need to manufacture it for the order.  To do this, we use the shopify technique described here:  https://ui-element...