debian/apt.dirs: remove var/lib/apt/media again

debian/apt.dirs

@@ -9,7 +9,6 @@ etc/logrotate.d
 var/cache/apt/archives/partial
 var/lib/apt/lists/partial
 var/lib/apt/periodic
-var/lib/apt/media
 var/log/apt
 usr/share/bug/apt
 usr/share/lintian/overrides