If you need to hide pages from search results, start by adding a "noindex" tag...

https://fernandowehn083.timeforchangecounselling.com/how-to-remove-a-page-from-google-when-you-can-t-edit-the-cms-easily

If you need to hide pages from search results, start by adding a "noindex" tag to the page header. This tells Google to drop the URL from its index over time. For an urgent fix, use the Removal tool in Google Search Console to hide content temporarily