So far as I know you can't. Which is why I periodically go in and delete everything in my wishlist because I get tired of being spammed with notifications.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi