refactor(hosts): use modules/ssh with sensible defaults

images/sd-image-raspberry-pi-aarch64.nix

@@ -12,7 +12,7 @@ let
 in
 {
   imports = [
-    ../modules/ssh/hardened-openssh.nix
+    ../modules/ssh
   ];
 
   ssh.username = username;
@@ -60,11 +60,6 @@ in
 
   security.sudo.wheelNeedsPassword = false;
 
-  services.openssh = {
-    enable = true;
-    harden = true;
-  };
-
   environment.systemPackages = with pkgs; [
     libraspberrypi
   ];