[PRQ#42668] Deletion Request for libechonest-qt5

FabioLolix [1] filed a deletion request for libechonest-qt5 [2]: Echo Nest API was shut down on 31 May 2016 https://en.wikipedia.org/wiki/The_Echo_Nest [1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/libechonest-qt5/