Replaced agenix based secrets for SOPS

hosts/nixos/default.nix

@@ -2,7 +2,6 @@
   config,
   inputs,
   pkgs,
-  agenix,
   ...
 }:
 
@@ -12,10 +11,8 @@ let
 in
 {
   imports = [
-    ../../modules/nixos/secrets.nix
     ../../modules/nixos/disk-config.nix
     ../../modules/shared
-    agenix.nixosModules.default
   ];
 
   # Use the systemd-boot EFI boot loader.
@@ -337,7 +334,6 @@ in
   ];
 
   environment.systemPackages = with pkgs; [
-    agenix.packages."${pkgs.system}".default # "x86_64-linux"
     gitAndTools.gitFull
     inetutils
   ];