Revert "gfxstream: work around ld64 hardening issue"

The ld64 issue has been fixed.

This reverts commit ba224f14b0.

pkgs/by-name/gf/gfxstream/package.nix

@@ -13,8 +13,6 @@
   vulkan-headers,
   vulkan-loader,
   libx11,
-  # TODO: Clean up on `staging`.
-  llvmPackages,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -43,10 +41,6 @@ stdenv.mkDerivation (finalAttrs: {
     ninja
     pkg-config
     python3
-  ]
-  # TODO: Clean up on `staging`.
-  ++ lib.optionals stdenv.hostPlatform.isDarwin [
-    llvmPackages.lld
   ];
   buildInputs = [
     aemu
@@ -66,8 +60,6 @@ stdenv.mkDerivation (finalAttrs: {
       "-framework QuartzCore"
       "-needed-lvulkan"
     ];
-    # TODO: Clean up on `staging`.
-    NIX_CFLAGS_LINK = "-fuse-ld=lld";
   };
 
   # dlopens libvulkan.