UPDATED: Remove Duplicate Tracks from Playlist v2.1

Tracks may have been dragged/added/copied to a user playlist two or more times defying the Music app s caution about adding them and now each of them appears multiple times in the playlist. This script will remove all but one of these kind of duplicate tracks from a selected playlist. (This does not have anything to do with [ ] The post UPDATED: Remove Duplicate Tracks from Playlist v2.1 appeared…