Comment # 1 on bug 1066408 from Dominique Leuenberger

Fri Nov  3 18:10:41 UTC 2017 - sor.alexei@meowr.ru

- Add deadbeef.appdata.xml as a separate file and remove
  deadbeef-add-appdata.patch (boo#1066408): the patch was rejected
  upstream. Remove intltool stubs, which fixes the bug.