packages: Remove nwg-dock-hyprland

There is an open pull request for nwg-dock-hyprland, so it'll be
possible to use this package directly from nixpkgs/nixos-unstable soon.

modules/default.nix

@@ -126,7 +126,6 @@ in {
     swww
     kickoff
     greetd.tuigreet
-    (pkgs.callPackage ../packages/nwg-dock {})
     (pkgs.callPackage ../packages/hyprland-autoname-workspaces {})
   ];
 

packages/nwg-dock/default.nix

@@ -1,34 +0,0 @@
-{
-  lib,
-  buildGoModule,
-  fetchFromGitHub,
-  pkg-config,
-  gtk3,
-  gtk-layer-shell,
-}:
-buildGoModule rec {
-  pname = "nwg-dock-hyprland";
-  version = "0.1.2";
-
-  src = fetchFromGitHub {
-    owner = "nwg-piotr";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-7vdfxE3X2J7bDLzose0dKmjxNQhS5+/ROky9wkK1gc0=";
-  };
-
-  vendorSha256 = "sha256-GhcrIVnZRbiGTfeUAWvslOVWDZmoL0ZRnjgTtQgxe2Q=";
-
-  ldflags = ["-s" "-w"];
-
-  nativeBuildInputs = [pkg-config];
-  buildInputs = [gtk3 gtk-layer-shell];
-
-  meta = with lib; {
-    description = "GTK3-based dock for hyprland";
-    homepage = "https://github.com/nwg-piotr/nwg-dock-hyprland";
-    license = licenses.mit;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [dit7ya];
-  };
-}