cleanup

systems/aarch64-linux/pi4/default.nix

@@ -3,7 +3,6 @@
 # https://search.nixos.org/options and in the NixOS manual (`nixos-help`).
 
 {
-  config,
   lib,
   pkgs,
   namespace,
@@ -26,19 +25,6 @@ in
     hardware.disko.enable = true;
   };
 
-  nix = {
-    settings = {
-      substituters = [
-        "https://nixos-raspberrypi.cachix.org"
-        "https://cache.mjallen.dev"
-      ];
-      trusted-public-keys = [
-        "nixos-raspberrypi.cachix.org-1:4iMO9LXa8BqhU+Rpg6LQKiGa2lsNh/j2oiYLNOQ5sPI="
-        "cache.mjallen.dev-1:IzFmKCd8/gggI6lcCXsW65qQwiCLGFFN9t9s2iw7Lvc="
-      ];
-    };
-  };
-
   # Configure nixpkgs
   nixpkgs = {
     overlays = lib.mkAfter [
@@ -53,20 +39,8 @@ in
       })
     ];
   };
-
-  programs.zsh.enable = true;
   hardware.i2c.enable = true;
 
-  services = {
-    openssh = {
-      enable = true;
-      authorizedKeysFiles = [
-        config.sops.secrets."ssh-keys-public/pi5".path
-      ];
-      hostKeys = [ ];
-    };
-  };
-
   systemd.services.btattach = {
     before = [ "bluetooth.service" ];
     after = [ "dev-ttyAMA0.device" ];