Fix disko swap for cert-store

shared/disko/zfs-impermanence.nix

@@ -18,6 +18,14 @@
                 mountOptions = [ "umask=0077" ];
               };
             };
+            swap = {
+              size = "2G";
+              content = {
+                type = "swap";
+                discardPolicy = "both";
+                randomEncryption = true;
+              };
+            };
             zfs = {
               size = "100%";
               content = {

shared/hardware/vm.nix

@@ -1,12 +1,5 @@
 { lib, modulesPath, ... }:
 {
-  swapDevices = [
-    {
-      device = "/var/lib/swapfile";
-      size = 2 * 1024;
-    }
-  ];
-
   services.qemuGuest.enable = true;
 
   imports = [