dark-mode-notify: remove code for macOS < 11

pkgs/by-name/da/dark-mode-notify/package.nix

@@ -5,7 +5,6 @@
   swift,
   swiftpm,
   swiftPackages,
-  darwin,
 }:
 
 # Use the same stdenv, including clang, as Swift itself
@@ -26,18 +25,12 @@ swiftPackages.stdenv.mkDerivation (final: {
     swiftpm
   ];
 
-  buildInputs = with darwin.apple_sdk.frameworks; [
-    Foundation
-    Cocoa
-  ];
-
   makeFlags = [ "prefix=$(out)" ];
 
   meta = {
     description = "Run a script whenever dark mode changes in macOS";
     homepage = "https://github.com/bouk/dark-mode-notify";
-    # Doesn't build on x86_64 because of some CoreGraphics issue, even with SDK 11.0
-    platforms = [ "aarch64-darwin" ];
+    platforms = lib.platforms.darwin;
     license = lib.licenses.mit;
     maintainers = with lib.maintainers; [ YorikSar ];
     mainProgram = "dark-mode-notify";