To remove pages from Google, use the noindex meta tag to tell crawlers to drop...

https://www.scribd.com/document/1016382702/Why-Did-My-Removed-Page-Come-Back-After-a-Search-Console-Removal-212072

To remove pages from Google, use the noindex meta tag to tell crawlers to drop the URL from search results. If the page is already gone, return a 404 or 410 status code so Google knows it is permanently deleted