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

hosts/eetion-02/default.nix

@@ -10,7 +10,7 @@ in
 {
   imports = [
     ./hard.nix
-    ../../modules/ssh/hardened-openssh.nix
+    ../../modules/ssh
   ];
 
   ssh = {
@@ -59,13 +59,6 @@ in
 
   security.sudo.wheelNeedsPassword = false;
 
-  services = {
-    openssh = {
-      enable = true;
-      harden = true;
-    };
-  };
-
   environment.systemPackages = with pkgs; [
     vim
     git