Bug#868422: gjiten: Please drop the (build-)dependency against gnome-vfs

[Jeremy Bicha]

More specifically, gjiten depends on these libraries we'd like to
remove from Debian Buster:

gconf-service
libgconf-2-4
libglade2-0
libgnome-2-0
libgnomeui-0
gconf2

On behalf of the Debian GNOME Team,
Jeremy Bicha