Försök på det här sättet
DELETE FROM recent_edits
WHERE trackid NOT IN
(select * from (SELECT DISTINCT history.trackid
FROM history JOIN recent_edits ON history.trackid=recent_edits.trackid
GROUP BY recent_edits.trackid) as t);
Försök på det här sättet
DELETE FROM recent_edits
WHERE trackid NOT IN
(select * from (SELECT DISTINCT history.trackid
FROM history JOIN recent_edits ON history.trackid=recent_edits.trackid
GROUP BY recent_edits.trackid) as t);