delfin: remove

it's in nixpkgs now, and the co-maintainer is doing a very good job with it

pkgs/additional/delfin/default.nix

@@ -1,84 +0,0 @@
-{ lib
-, stdenv
-, appstream
-, cargo
-, desktop-file-utils
-, fetchFromGitea
-, gitUpdater
-, gtk4
-, libadwaita
-, libglvnd
-, libepoxy
-, meson
-, mpv-unwrapped
-, ninja
-, openssl
-, pkg-config
-, rustc
-, rustPlatform
-, wrapGAppsHook4
-, devBuild ? false, git
-}:
-
-stdenv.mkDerivation rec {
-  pname = "delfin";
-  version = "0.4.4";
-
-  src = if devBuild then fetchFromGitea {
-    domain = "git.uninsane.org";
-    owner = "colin";
-    repo = "delfin";
-    rev = "dev-sane";
-    hash = "sha256-l/Lm9dUtYfWbf8BoqNodF/5s0FzxhI/dyPevcaeyPME=";
-  } else fetchFromGitea {
-    domain = "codeberg.org";
-    owner = "avery42";
-    repo = "delfin";
-    rev = "v${version}";
-    hash = "sha256-qbl0PvGKI3S845xLr0aXf/uk2uuOXMjvu9S3BOPzxa0=";
-  };
-
-  cargoDeps = rustPlatform.fetchCargoTarball {
-    inherit src;
-    name = "${pname}-${version}";
-    hash = "sha256-Js1mIotSOayYDjDVQMqXwaeSC2a1g1DeqD6QmeWwztk=";
-  };
-
-  nativeBuildInputs = [
-    appstream
-    desktop-file-utils
-    meson
-    ninja
-    pkg-config
-    rustPlatform.cargoSetupHook
-    cargo
-    rustc
-    wrapGAppsHook4
-  ] ++ lib.optionals devBuild [
-    git
-  ];
-
-  buildInputs = [
-    gtk4
-    libadwaita
-    libglvnd
-    libepoxy
-    mpv-unwrapped
-    openssl
-  ];
-
-  mesonFlags = lib.optionals (!devBuild) [
-    "-Dprofile=release"
-  ];
-
-  passthru.updateScript = gitUpdater {
-    rev-prefix = "v";
-  };
-
-  meta = with lib; {
-    description = "stream movies and TV shows from Jellyfin";
-    homepage = "https://www.delfin.avery.cafe/";
-    license = licenses.gpl3Only;
-    maintainers = with maintainers; [ colinsane ];
-  };
-}

pkgs/default.nix

@@ -28,7 +28,6 @@ let
     chatty-latest = callPackage ./additional/chatty-latest { };
     codemadness-frontends = callPackage ./additional/codemadness-frontends { };
     codemadness-frontends_0_6 = codemadness-frontends.v0_6;
-    delfin = callPackage ./additional/delfin { };
     eg25-control = callPackage ./additional/eg25-control { };
     eg25-manager = callPackage ./additional/eg25-manager { };
     feeds = lib.recurseIntoAttrs (callPackage ./additional/feeds { });