refactor flake.nix and remove wireguard from secrets.nix

flake.nix

@@ -5,16 +5,15 @@
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     agenix.url = "github:ryantm/agenix";
     unifi-os-server.url = "github:rcambrj/unifi-os-server";
-
-    # home-manager = {
-    #   url = "github:nix-community/home-manager";
-    #   inputs.nixpkgs.follows = "nixpkgs";
-    # };
   };
 
-  outputs = { self, nixpkgs, agenix, unifi-os-server, ... }@inputs: {
+  outputs = {
-    # use "nixos", or your hostname as the name of the configuration
+    self,
-    # it's a better practice than "default" shown in the video
+    nixpkgs,
+    agenix,
+    unifi-os-server,
+    ...
+  } @ inputs: {
     nixosConfigurations.Hermes = nixpkgs.lib.nixosSystem {
       specialArgs = {inherit inputs;};
       modules = [
@@ -25,7 +24,6 @@
         ./modules/system.nix
         agenix.nixosModules.default
         unifi-os-server.nixosModules.unifi-os-server
-        # inputs.home-manager.nixosModules.default
       ];
     };
   };

secrets/secrets.nix

@@ -8,8 +8,6 @@ in {
   "restic.age".publicKeys = systems;
   "smb.age".publicKeys = systems;
   "gitea-db.age".publicKeys = systems;
-  #"wireguard-private.age".publicKeys = systems;
-  #"wireguard-public.age".publicKeys = systems;
   "navidrome.age".publicKeys = systems;
   "vaultwarden.age".publicKeys = systems;
 }