Posted: 2018-02-11 21:24:25
Edited: 2018-02-11 21:26:20
Dont think there is a way.
1) You can Edit/delete within certain time after posting.
2) You can delete your account...exept if somebody quoted you, nobody will know who made the comments.
3) You can ask ESA office to delete for you...but I think they're going to tell you they can't do it.