To hide pages from Google, use the "noindex" meta tag in your page header to...

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

To hide pages from Google, use the "noindex" meta tag in your page header to tell search engines to drop the content from results. If you need a page gone immediately, use the Google Search Console Removals tool for a temporary fix