Account>shipping preferences>global shipping, edit. https://www.ebay.com/ship/prf You should be able to turn it off there.
Not sure if that removes it automatically from your listings, you may have to bulk edit your active listings to remove.
The easier you are to offend the easier you are to control.
We seem to be getting closer and closer to a situation where nobody is responsible for what they did but we are all responsible for what somebody else did. - Thomas Sowell
