Google Disables URL Removals

Yes. Even i read about it.

Google disabled the ability for webmasters to remove their sites from the Google index in response to a report of a vulnerability which allows any webmaster to remove any other site—even one which is not theirs.

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I was just catching up on that earlier today. Anyone with a Webmaster Tools account could remove a url from the google index - even on other domains. That's a security hole you could drive a truck through!