You have to remove it from the playlist, and if it’s still displayed on your channel’s video page then it’s an issue with YouTube
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
You have to remove it from the playlist, and if it’s still displayed on your channel’s video page then it’s an issue with YouTube