gtk4-layer-shell: remove package

It is available in nixpkgs.

pkgs/default.nix

@@ -18,7 +18,6 @@ let
       distant = callPackage ./distant.nix { };
       gnome-search-provider-recoll =
         callPackage ./gnome-search-provider-recoll.nix { };
-      gtk4-layer-shell = callPackage ./gtk4-layer-shell { };
       hush-shell = callPackage ./hush-shell.nix { };
       kiwmi = callPackage ./kiwmi { };
       lwp = callPackage ./lwp { };

pkgs/gtk4-layer-shell/default.nix

@@ -1,75 +0,0 @@
-{ stdenv
-, lib
-, fetchFromGitHub
-, meson
-, ninja
-, pkg-config
-, wayland
-, wayland-protocols
-, gtk4
-
-, gobject-introspection
-, gtk-doc
-, docbook-xsl-nons
-, docbook_xml_dtd_43
-, vala
-, python3
-, luajit
-}:
-
-stdenv.mkDerivation rec {
-  pname = "gtk4-layer-shell";
-  version = "1.0.1";
-  outputs = [ "out" "dev" "devdoc" ];
-  outputBin = "devdoc";
-
-  src = fetchFromGitHub {
-    owner = "wmww";
-    repo = "gtk4-layer-shell";
-    rev = "v${version}";
-    hash = "sha256-MG/YW4AhC2joUX93Y/pzV4s8TrCo5Z/I3hAT70jW8dw=";
-  };
-
-  # It is encouraged to use these flags anyways.
-  mesonFlags = [
-    "-Dexamples=true"
-    "-Ddocs=true"
-  ];
-
-  nativeBuildInputs = [
-    meson
-    ninja
-    pkg-config
-    gobject-introspection
-    gtk-doc
-    docbook-xsl-nons
-    docbook_xml_dtd_43
-  ];
-
-  buildInputs = [
-    wayland
-    wayland-protocols
-    gtk4
-    vala
-  ];
-
-  checkInputs = [
-    python3
-    (luajit.withPackages (ps: with ps; [ lgi ]))
-  ];
-
-  meta = with lib; {
-    homepage = "https://github.com/wmww/gtk4-layer-shell";
-    license = licenses.mit;
-    description = "Library to create desktop components using Layer Shell protocol and GTK4";
-    longDescription = ''
-      gtk4-layer-shell is a library to create desktop components using Layer
-      Shell protocol and GTK4. It can used to create components such as panels,
-      wallpapers, and notifications. This library is written in C and
-      compatible with C++ and with other languages through GObject
-      introspection files.
-    '';
-    maintainers = with maintainers; [ foo-dogsquared ];
-    platforms = platforms.linux;
-  };
-}