Samuel Dionne-Riel
31a506f734
This usage was added in 0ab8bf61af, when
the package was added.
It *necessarily* has to be unneeded, as using kernelModuleMakeFlags and
the kernel's out-of-tree build tooling forces the unwrapped `cc` to be
used.
See here: https://github.com/NixOS/nixpkgs/blame/f86e9fe549f551d6bb738a1d01efa7d61b2da3e7/pkgs/os-specific/linux/kernel/common-flags.nix#L10-L11