I had this same problem and could not find the section they were talking about, but I did find it, it is the bottom choice "Log in with Paypal" edit that, you will see the choices you gave permission to and you can delete them. I did mine by mistake, every time I check out they ask to link my account to ebay, I don't want that, and I hit accept by mistake. I just wish they would have a choice that states "Don't ask Again" so it would stop popping up.
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