Took me about 30 seconds navigating directly from www.fcc.gov to look myself up. It is public information and easy to find. Perhaps you might be able to ask the qrz admin folk nicely to remove it, but I'm not sure how helpful that would be. If you google ham radio callsign lookup in google you come up with many other sites than just QRZ, including a link to the appropriate search page of the FCC. Heck, qrz wasn't even the first link that came up, it was the arrl license search page.