secrets.nix: Remove age secrets management

pkgs/nixfiles/nixfiles-add-secret.nix

@@ -1,11 +0,0 @@
-{ pkgs, ... }:
-
-pkgs.writeShellApplication {
-  name = "nixfiles-add-secret";
-  text = builtins.readFile ./nixfiles-add-secret.sh;
-  runtimeInputs = with pkgs; [
-    agenix
-    git
-  ];
-}
-

pkgs/nixfiles/nixfiles-add-secret.sh

@@ -1,15 +0,0 @@
-#!/usr/bin/env bash
-
-set -euo pipefail
-
-cd "$(git rev-parse --show-toplevel)"
-
-host="$1"
-secret="$2"
-
-mkdir -p "hosts/${host}/secrets"
-
-agenix -e "hosts/${host}/secrets/new"
-
-mv "hosts/${host}/secrets/new" "hosts/${host}/secrets/${secret}.age"
-

pkgs/overlay.nix

@@ -9,9 +9,7 @@ final: prev: {
   chromium-incognito = final.callPackage ./chromium-incognito {};
   iot-data = final.python3.pkgs.callPackage ./iot-data {};
   nix-remove-result-links = final.callPackage ./nix-remove-result-links {};
-  nixfiles-add-secret = final.callPackage ./nixfiles/nixfiles-add-secret.nix {};
   nixfiles-auto-install = final.callPackage ./nixfiles/nixfiles-auto-install.nix {};
-  nixfiles-generate-backup-secrets = final.callPackage ./nixfiles/nixfiles-generate-backup-secrets.nix {};
   nixfiles-generate-config = final.callPackage ./nixfiles/nixfiles-generate-config.nix {};
   nixfiles-update-ssh-host-keys = final.callPackage ./nixfiles/nixfiles-update-ssh-host-keys.nix {};
   print-afra = final.callPackage ./print-afra {};