To remove unwanted pages from Google, add a noindex tag to the page header or...

https://smoothdecorator.com/i-noindexed-the-page-but-google-keeps-crawling-it-is-that-normal/

To remove unwanted pages from Google, add a noindex tag to the page header or return a 404/410 status code. These methods tell search engines to drop the content from their index permanently