Deleted page still served and indexed by search engines

I was searching for stuff about Metadata Cleaner today and got the following search results:

The second entry lead me to: https://tails.net/doc/sensitive_documents/remove_metadata/index.en.html

It was happily served, though quite broken:

I renamed this page back in 2021 in tails@64cbdaa5 so it should not be served anymore.