To remove a page from Google search results, you have two primary options...

https://lima-wiki.win/index.php/Robots.txt_vs_noindex_for_Removing_Pages:_What%E2%80%99s_the_Real_Difference%3F

To remove a page from Google search results, you have two primary options depending on your goal. Use a "noindex" meta tag in your site's HTML if you want to keep the content live but hidden from search engines