Fix impermanence vm

common.nix

@@ -1,20 +0,0 @@
-# Common configuration for all systems
-
-{ config, pkgs, ... }:
-
-{
-    nix = {
-        settings.auto-optimise-store = true;
-
-        # Clean generations older than a week
-        gc = {
-            automatic = false; # Flip this to do it automatically
-            dates = "weekly";
-            options = "--delete-older-than 7d";
-        };
-    };
-
-    nixpkgs.config.allowUnfree = true;
-
-    system.stateVersion = "23.05";
-}