secrets.nix: Remove age secrets management

lib/flake-helper.nix

@@ -1,4 +1,4 @@
-{ self, nixpkgs, agenix, bij, chaosevents, fernglas, fieldpoc, nixos-exporter, solid-xmpp-alarm, sops-nix, ... }@inputs:
+{ self, nixpkgs, bij, chaosevents, fernglas, fieldpoc, nixos-exporter, solid-xmpp-alarm, sops-nix, ... }@inputs:
 
 rec {
   generateNixosSystem = {
@@ -28,8 +28,6 @@ rec {
         nixpkgs.overlays = [
           self.overlays.clerie
           (_: _: {
-            inherit (agenix.packages."x86_64-linux")
-              agenix;
             inherit (bij.packages."${system}")
               bij;
             inherit (chaosevents.packages."x86_64-linux")
@@ -38,21 +36,12 @@ rec {
         ];
         clerie.monitoring = nixpkgs.lib.attrsets.optionalAttrs (group != null) { serviceLevel = group; };
       })
-      agenix.nixosModules.default
       fernglas.nixosModules.default
       fieldpoc.nixosModules.default
       nixos-exporter.nixosModules.default
       solid-xmpp-alarm.nixosModules.solid-xmpp-alarm
       sops-nix.nixosModules.sops
       (../hosts + "/${name}/configuration.nix")
-      # Automatically load secrets from the hosts secrets directory
-      ({ lib, ... }: let
-        secretsPath = ../hosts + "/${name}/secrets";
-      in {
-        age.secrets = lib.mapAttrs' (filename: _: lib.nameValuePair (lib.removeSuffix ".age" filename) {
-          file = secretsPath + "/${filename}";
-        }) (lib.filterAttrs (name: type: (type == "regular") && (lib.hasSuffix ".age" name) ) (if builtins.pathExists secretsPath then builtins.readDir secretsPath else {}));
-      })
       # Automatically load secrets from sops file for host
       ({ config, lib, ... }: {
         sops.defaultSopsFile = ../hosts + "/${name}/secrets.json";