packages/amberol: use package from nixpkgs

packages/nixpak/amberol/amberol.nix

@@ -1,17 +0,0 @@
-{ amberol, fetchFromGitLab, rustPlatform }:
-
-amberol.overrideAttrs (_: rec {
-  version = "0.9.1";
-  src = fetchFromGitLab {
-    domain = "gitlab.gnome.org";
-    owner = "World";
-    repo = "amberol";
-    rev = version;
-    hash = "sha256-UZFOQw9eXSyCey4YQ4pWV91BIo+5tFw1N8es5H03+fc=";
-  };
-  cargoDeps = rustPlatform.fetchCargoTarball {
-    inherit src;
-    name = "amberol-${version}";
-    hash = "sha256-ebo718+HAZFd7Pjy06jAzmaLdjR3o4Hn0xEeO7yiIC0=";
-  };
-})

packages/nixpak/amberol/default.nix

@@ -1,4 +1,4 @@
-{ mkNixPak, callPackage }:
+{ mkNixPak, amberol }:
 
 mkNixPak {
   config = { sloth, ... }: {
@@ -19,6 +19,6 @@ mkNixPak {
         "/srv/data/music"
       ];
     };
-    app.package = callPackage ./amberol.nix {};
+    app.package = amberol;
   };
 }