ocamlPackages.xmlplaylist: small cleaning

pkgs/development/ocaml-modules/xmlplaylist/default.nix

@@ -6,26 +6,24 @@
   xmlm,
 }:
 
-buildDunePackage rec {
+buildDunePackage (finalAttrs: {
   pname = "xmlplaylist";
   version = "0.1.5";
 
-  useDune2 = true;
-
   src = fetchFromGitHub {
     owner = "savonet";
     repo = "ocaml-xmlplaylist";
-    rev = "v${version}";
-    sha256 = "1x5lbwkr2ip00x8vyfbl8936yy79j138vx8a16ix7g9p2j5qsfcq";
+    tag = "v${finalAttrs.version}";
+    hash = "sha256-mDmNixQ3vdOjCQr1jUaQ6XhvRkJ0Ob9RB+BGkSdftPQ=";
   };
 
   buildInputs = [ dune-configurator ];
   propagatedBuildInputs = [ xmlm ];
 
-  meta = with lib; {
+  meta = {
     homepage = "https://github.com/savonet/ocaml-xmlplaylist";
     description = "Module to parse various RSS playlist formats";
-    license = licenses.lgpl21Only;
-    maintainers = with maintainers; [ dandellion ];
+    license = lib.licenses.lgpl21Only;
+    maintainers = with lib.maintainers; [ dandellion ];
   };
-}
+})