vgmstream: drop

It now is part of nixpkgs upstream.

default.nix

@@ -42,7 +42,5 @@ in
 
   unxwb = callPackage ./unxwb { };
 
-  vgmstream = callPackage ./vgmstream { };
-
   VisiCut = callPackage ./VisiCut { };
 }

flake.nix

@@ -57,8 +57,7 @@
             nsz
             playgsf
             textidote
-            unxwb
-            vgmstream;
+            unxwb;
 
           mpvScripts = lib.recurseIntoAttrs {
             inherit (pkgs.mpvScripts)

vgmstream/default.nix

@@ -1,29 +0,0 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, fdk_aac, ffmpeg, jansson, libao, libvorbis, mpg123 }:
-
-stdenv.mkDerivation rec {
-  pname = "vgmstream";
-  version = "r1626";
-
-  src = fetchFromGitHub {
-    owner = "vgmstream";
-    repo = "vgmstream";
-    rev = version;
-    sha256 = "sha256-PdG+nkr8f/kVJpJGDvfMv7cEnYFw0dikzIMEGvm/dGQ=";
-  };
-
-  nativeBuildInputs = [ cmake pkg-config ];
-  buildInputs = [ fdk_aac ffmpeg jansson libao libvorbis mpg123 ];
-
-  cmakeFlags = [
-    "-DBUILD_AUDACIOUS=OFF"
-    "-DVGMSTREAM_VERSION=${version}"
-  ];
-
-  meta = with lib; {
-    description = "A library for playback of various streamed audio formats used in video games";
-    homepage = "https://vgmstream.org/";
-    license = with licenses; [ mit ];
-    maintainers = with maintainers; [ sbruder ];
-    platforms = platforms.all;
-  };
-}