move adwaita-icon-theme package to top-level

see snowfallorg#27

Author: KiaraGrouwstra

packages/nixos-conf-editor/default.nix

@@ -1,13 +1,13 @@
 { stdenv
 , lib
+, adwaita-icon-theme
 , appstream-glib
 , cargo
 , desktop-file-utils
 , gdk-pixbuf
 , gettext
 , git
 , glib
-, gnome
 , gtk4
 , gtksourceview5
 , libadwaita
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     gdk-pixbuf
     glib
-    gnome.adwaita-icon-theme
+    adwaita-icon-theme
     gtk4
     gtksourceview5
     libadwaita