proftpd: 1.3.9a -> 1.3.9c

Assisted-by: pi coding agent / Mika (OpenAI gpt-5.6-sol)

pkgs/by-name/pr/proftpd/package.nix

@@ -1,7 +1,6 @@
 {
   stdenv,
   lib,
-  fetchpatch,
   fetchFromGitHub,
   libcap,
   libsodium,
@@ -20,23 +19,16 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "proftpd";
-  version = "1.3.9a";
+  version = "1.3.9c";
 
   src = fetchFromGitHub {
     owner = "proftpd";
     repo = "proftpd";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-SNLzIwMF6XU2SAc5B9LIW2Jeh1Fa4CVumQYd2O0XxRY=";
+    hash = "sha256-3Wy5Xm9vynYWmNhoFYtYXCVfAaAMU4kB/ZaRNyRwiQQ=";
   };
 
-  patches = [
-    ./no-install-user.patch
-    (fetchpatch {
-      name = "CVE-2026-44331.patch";
-      url = "https://github.com/proftpd/proftpd/commit/5e06acc4687046c7bf794b55bd8c44a86a05ae61.patch";
-      hash = "sha256-1YM9yeiZJwU2CasPhf4g9O8Jf/B01ullFeUkERFe9WY=";
-    })
-  ];
+  patches = [ ./no-install-user.patch ];
 
   strictDeps = true;
   enableParallelBuilding = true;