yuzu: drop vulkan-headers override

{ qt6Packages, makeScopeWithSplicing', generateSplicesForMkScope, vulkan-headers, fetchFromGitHub }:

{ qt6Packages, makeScopeWithSplicing', generateSplicesForMkScope }:

makeScopeWithSplicing' {

  otherSplices = generateSplicesForMkScope "yuzuPackages";

    mainline = self.callPackage ./mainline.nix {};

    early-access = self.callPackage ./early-access {};

    vulkan-headers = vulkan-headers.overrideAttrs(old: rec {

      version = "1.3.274";

      src = fetchFromGitHub {

        owner = "KhronosGroup";

        repo = "Vulkan-Headers";

        rev = "v${version}";

        hash = "sha256-SsS5VlEnhjOSu8MlIVC0d2r2EAf8QsNJPEAXNtbDOJ4=";

      };

    });

  };

}