Revert "buildLuaPackage: throw instead of marking as broken package"

This reverts commit 0cd595cdb3.

It's causing build failures for knot-resolver and others.

Workaround for https://github.com/NixOS/nixpkgs/issues/223437

pkgs/development/interpreters/lua-5/build-lua-package.nix

@@ -213,8 +213,8 @@ let
     platforms = lua.meta.platforms;
     # add extra maintainer(s) to every package
     maintainers = (meta.maintainers or []) ++ [ ];
+    broken = disabled;
   } // meta;
 }));
 in
-  assert (disabled -> throw "${pname} not supported for interpreter ${lua.executable}");
   luarocksDrv