Graduate eirene

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/system/impermanence/default.nix

@@ -1,4 +1,9 @@
-{ config, pkgs, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 {
   imports = [ ./options.nix ];
 
@@ -8,22 +13,11 @@
   # https://git.eisfunke.com/config/nixos/-/blob/e65e1dc21d06d07b454005762b177ef151f8bfb6/nixos/machine-id.nix
   sops.secrets.machineId.mode = "0444";
 
-  fileSystems."/persist".neededForBoot = true;
-
   environment = {
     impermanence.enable = true;
 
     etc.machine-id.source = pkgs.runCommandLocal "machine-id-link" { } ''
       ln -s ${config.sops.secrets.machineId.path} $out
     '';
-
-    persistence = {
-      "/persist/user"."/etc/nixos" = { };
-      "/persist/state" = {
-        "/var/lib/nixos" = { };
-        "/var/lib/systemd" = { };
-        "/var/log" = { };
-      };
-    };
   };
 }