Revert "darktable: fix build on Darwin"

The ld64 issue has been fixed.

This reverts commit 3aad607343.

pkgs/by-name/da/darktable/package.nix

@@ -103,8 +103,7 @@ stdenv.mkDerivation rec {
     pkg-config
     wrapGAppsHook3
     saxon # Use Saxon instead of libxslt to fix XSLT generate-id() consistency issues
-  ]
-  ++ lib.optionals stdenv.hostPlatform.isDarwin [ llvmPackages.lld ];
+  ];
 
   buildInputs = [
     SDL2
@@ -185,12 +184,6 @@ stdenv.mkDerivation rec {
     "-DUSE_KWALLET=OFF"
   ];
 
-  env = lib.optionalAttrs stdenv.hostPlatform.isDarwin {
-    # Work around ld64's libc++ hardening issue.
-    # TODO: Remove once #536365 reaches this branch.
-    NIX_CFLAGS_LINK = "-fuse-ld=lld";
-  };
-
   # darktable changed its rpath handling in commit
   # 83c70b876af6484506901e6b381304ae0d073d3c and as a result the
   # binaries can't find libdarktable.so, so change LD_LIBRARY_PATH in