To remove a page from Google search results, use the "noindex" tag in your...

https://www.apollotechnical.com/how-to-remove-your-own-site-from-google-search-results/

To remove a page from Google search results, use the "noindex" tag in your site’s HTML to tell crawlers to stop indexing that specific URL. If the page is already gone, return a 404 or 410 status code