He's not claiming that they removed it. He's referring to the fact that Google announced their intention to remove the APIs that uBlock relies on. They haven't followed through with the plan yet, but neither have they completely backtracked. See eg. https://www.androidpolice.com/2019/05/29/google-still-plans-... and reports that they'll continue to provide that functionality only to enterprise users: https://9to5google.com/2019/05/29/chrome-ad-blocking-enterpr...