docsets.gtk: dont ship, since the rtfm dependency doesnt cross-compile

hosts/common/programs/docsets.nix

@@ -60,7 +60,7 @@ in {
   ];
   sane.programs.docsets.config.pkgs = with pkgs; [
     # packages which ship docsets natively:
-    docsets.gtk
+    # docsets.gtk
     docsets.nix-builtins
     docsets.nixpkgs-lib
     docsets.python3-std

pkgs/by-name/docsets/gtk/package.nix

@@ -4,8 +4,10 @@
 }:
 # rtfm docset viewer actually ships Crystal and Gtk docsets (the latter of which includes several deps like Gdk, Pango, etc),
 # so just extract those.
-# N.B.: `rtfm` depends on `webkitgtk_6_0` -- costly! TODO: may be possible to set `buildTargets = [ "docsets" ]` to avoid the gui deps.
-# TODO: rtfm's docsets don't include Info.plist: is that a problem?
+# N.B.: `rtfm` depends on `webkitgtk_6_0` -- costly!
+# TODO: may be possible to set `buildTargets = [ "docsets" ]` to avoid the gui deps.
+#   or just build the gtk docset more directly, since i'll want to build similar things like glib in the future too.
+# N.B.: rtfm's docsets don't include Info.plist, but doesn't _seem_ to be a problem?
 runCommandLocal "gtk.docset" { } ''
   mkdir -p $out/share/docsets
   cp -R ${rtfm}/share/rtfm/docsets/Gtk.docset $out/share/docsets/gtk.docset