remove TODO and iso

TODO

@@ -1,4 +0,0 @@
-- nix.settings.experimental-features = [ "nix-command" "flakes" ];
-- distributed build (https://nix.dev/tutorials/nixos/distributed-builds-setup)
-- setup script (https://github.com/jakeb-grant/nix-configs/blob/main/setup.sh)
-- swap

hosts/opti/default.nix

@@ -12,7 +12,7 @@
       dates = "weekly";
       options = "--delete-older-than 14d";
     };
-    nix.settings.experimental-features = [ "nix-command" "flakes" ];
+    settings.experimental-features = [ "nix-command" "flakes" ];
 
     extraOptions = ''
       min-free = 512000000

iso/iso.nix

@@ -1,25 +0,0 @@
-{
-  description = "My NixOS installation media";
-  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-  outputs = { self, nixpkgs }: {
-    packages.x86_64-linux.default =
-      self.nixosConfigurations.exampleIso.config.system.build.isoImage;
-    nixosConfigurations = {
-      exampleIso = nixpkgs.lib.nixosSystem {
-        system = "x86_64-linux";
-        modules = [
-          ({ pkgs, modulesPath, ... }: {
-            imports = [
-              (modulesPath + "/installer/cd-dvd/installation-cd-minimal.nix")
-            ];
-            systemd.services.sshd.wantedBy =
-              pkgs.lib.mkForce [ "multi-user.target" ];
-            users.users.root.openssh.authorizedKeys.keys = [
-              "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBs3aPxyJpVGytuVSO3va2WybKNFMR241o8DCJQbBEWV"
-            ];
-          })
-        ];
-      };
-    };
-  };
-}