it doesn't seem necessary anymore
error: The option `settings.NIXOS_TEST_BOOLEAN.tristate' has conflicting definition values: - In `structuredExtraConfig': "n" - In `structuredExtraConfig': "y" since https://github.com/NixOS/nixpkgs/pull/90065 yes does not silently win over no
Addresses https://github.com/NixOS/nixpkgs/issues/71803: Kernel options are not merged as described, especially the "optional" aspects. The error silences legitimate warnings.
* treewide: remove unused variables * making ofborg happy