netbsd.install: drop darwin.libutil dependency

pkgs/os-specific/bsd/netbsd/pkgs/install/package.nix

@@ -11,7 +11,6 @@
   groff,
   compatIfNeeded,
   fts,
-  darwin,
   stdenv,
 }:
 
@@ -44,8 +43,7 @@ mkDerivation {
     # fts header is needed. glibc already has this header, but musl doesn't,
     # so make sure pkgsMusl.netbsd.install still builds in case you want to
     # remove it!
-    ++ [ fts ]
-    ++ lib.optionals stdenv.hostPlatform.isDarwin [ darwin.libutil ];
+    ++ [ fts ];
   installPhase = ''
     runHook preInstall