How are people removing websites from google search in 2026?

Your own site or someone else's? Own site: search console removals tool hides a url quickly but only for about six months. To make it permanent, noindex the page or return a 404/410 and let google recrawl it. Don't block it in robots.txt while doing that, google needs to crawl it to see the noindex. Someone else's: if the page is already gone or changed, there's google's outdated content tool. Otherwise it's the site owner or a legal request.