Don't own the appdata directory

It's part of the filesystem package now.

simple-scan.spec

@@ -46,7 +46,7 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 %doc COPYING NEWS README.md
 %{_mandir}/man1/%{name}.1.gz
 %{_bindir}/%{name}
-%{_datadir}/appdata/
+%{_datadir}/appdata/%{name}.appdata.xml
 %{_datadir}/applications/%{name}.desktop
 %{_datadir}/%{name}/
 %{_datadir}/glib-2.0/schemas/org.gnome.SimpleScan.gschema.xml