python.pkgs.zstandard: it vendors a copy of zstd...

so we don't even need to give zstd at all.
Related discussion https://github.com/NixOS/nixpkgs/issues/92075.

Follow-up to 3b4df94aeb

pkgs/development/python-modules/zstandard/default.nix

@@ -3,7 +3,6 @@
 , fetchPypi
 , cffi
 , hypothesis
-, zstd
 }:
 
 buildPythonPackage rec {
@@ -15,7 +14,6 @@ buildPythonPackage rec {
     sha256 = "e5cbd8b751bd498f275b0582f449f92f14e64f4e03b5bf51c571240d40d43561";
   };
   
-  buildInputs = [ zstd ];
   propagatedBuildInputs = [ cffi ];
   
   checkInputs = [ hypothesis ];