lenovo/thinkpad/t460s: Remove problematic options
lenovo/thinkpad/t460s: Remove problematic options

See there links for details:

https://github.com/NixOS/nixos-hardware/pull/134#pullrequestreview-336181593
https://github.com/NixOS/nixos-hardware/pull/134#discussion_r361146814

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs