luaPackages.wrapLua: Fix the wrapper on cross

The wrapper was using a makeWrapper targeting the buildPlatform

This is a leftover from a fix I did before I converted luaPackages to
use makeScopeWithSplicing

Fixes: https://www.github.com/NixOS/nixpkgs/issues/481454

pkgs/top-level/lua-packages.nix

@@ -65,9 +65,7 @@ rec {
     ;
 
   # wraps programs in $out/bin with valid LUA_PATH/LUA_CPATH
-  wrapLua = callPackage ../development/interpreters/lua-5/wrap-lua.nix {
-    inherit (pkgs.buildPackages) makeSetupHook makeWrapper;
-  };
+  wrapLua = callPackage ../development/interpreters/lua-5/wrap-lua.nix { };
 
   luarocks_bootstrap = toLuaModule (callPackage ../development/tools/misc/luarocks/default.nix { });