If the image is served from the Shopify CDN it will have the URL no matter what. There's no way around this. What is your issue exactly? Maybe we can propose an alternative solution.
I see. Our customer wants a picture from our product page. We have a third party app to prevent people downloading any text and pictures from out website. We would like to control what customer could download. Thinking we could give them the url of the picture source. So, we exported the product from Shopify and got a link from Image source of the product, but the url mentioned shopify in it. We would like to figure out a way to allow our customer to download the picture without them seeing it's from Shopify. Please kindly assist. Thank you.