fix(stirling-pdf): Make it build again

machines/compute01/stirling-pdf/default.nix

@@ -1,42 +1,15 @@
-{ pkgs, nixpkgs, ... }:
+{ nixpkgs, ... }:
 
 let
-  dgn-id = "5891e1bbda792e0546f8d785cdd4d3f570a01579";
+  dgn-id = "f756a0f47e704db815a7af6786f6eb0aec628d6b";
 in
 
 {
   services.stirling-pdf = {
     enable = true;
 
-    package = nixpkgs.unstable.stirling-pdf.overrideAttrs (old: rec {
-      version = "0.26.1";
-
-      src = pkgs.fetchFromGitHub {
-        owner = "Stirling-Tools";
-        repo = "Stirling-PDF";
-        rev = "v${version}";
-        hash = "sha256-msxP2n8Varc7/h9RVwYRBuD253JZu6/p7zQC1lmNmqc=";
-      };
-
-      deps = old.deps.overrideAttrs (_: {
-        patches = [
-          ./01-spotless.patch
-          ./05-java-output-test.patch
-        ];
-
-        doCheck = false;
-        outputHash = "sha256-i2PJmsuJ8jqTUNwj4HoiWynaK4LlLrqjIZ67rSSYypc=";
-      });
-
-      patches = [
-        ./01-spotless.patch
-        ./02-propsfile.patch
-        ./03-jar-timestamps.patch
-        (pkgs.substituteAll {
-          src = ./04-local-maven-deps.patch;
-          inherit deps;
-        })
-        ./05-java-output-test.patch
+    package = nixpkgs.unstable.stirling-pdf.overrideAttrs (old: {
+      patches = (old.patches or [ ]) ++ [
         (builtins.fetchurl "https://git.dgnum.eu/DGNum/Stirling-PDF/commit/${dgn-id}.patch")
       ];
     });