If you need to hide pages from search results, start by adding a "noindex" meta...
https://www.apollotechnical.com/how-to-remove-your-own-site-from-google-search-results/
If you need to hide pages from search results, start by adding a "noindex" meta tag to the page header. This tells Google to drop the page from its index. For immediate removal, use the Removals tool in Google Search Console