fix nixpkgs rev for t2pkgs

packages/get-apple-firmware.nix

@@ -1,29 +0,0 @@
-{
-  stdenvNoCC,
-  fetchurl,
-  lib,
-}:
-stdenvNoCC.mkDerivation (final: {
-  pname = "get-apple-firmware";
-  version = "360156db52c013dbdac0ef9d6e2cebbca46b955b";
-  src = fetchurl {
-    url = "https://raw.github.com/t2linux/wiki/${final.version}/docs/tools/firmware.sh";
-    hash = "sha256-IL7omNdXROG402N2K9JfweretTnQujY67wKKC8JgxBo=";
-  };
-
-  dontUnpack = true;
-
-  buildPhase = ''
-    mkdir -p $out/bin
-    cp ${final.src} $out/bin/get-apple-firmware
-    chmod +x $out/bin/get-apple-firmware
-  '';
-
-  meta = {
-    description = "A script to get needed firmware for T2linux devices";
-    homepage = "https://t2linux.org";
-    license = lib.licenses.mit;
-    maintainers = with lib.maintainers; [soopyc];
-    mainProgram = "get-apple-firmware";
-  };
-})