The best way I know of to remedy this is to fake your death and/or take a new identity. As far as I know there is no way to remove anything from the web.
Regarding faking your death and getting a new identity: There are books about how to go about it...on is listed on my hub: http://hubpages.com/hub/How-to-Disappear...called Hide your Assets and Disappear.
You don't even really have to fake your death, just get the new identity. There are ways to do this that are easy and there are ways to do this that are more hardcore. The easy way is to just start calling yourself by a new name...never use your old name. Avoid anything to do with your social security number if at all possible. Get jobs that are under the table, pay cash, live-in (I just wrote a hub about those):