Removing unwanted content from Google is often a two-step process. First, you...

https://lunassmartinsights.weebly.com/blog/how-to-prioritize-which-urls-to-remove-first-a-strategic-triage-framework

Removing unwanted content from Google is often a two-step process. First, you handle the actual removal of the source URL. If that isn't possible, de-indexing is the next best tactic