Remove impermanence home-manager module

Too many bugs to deal with unfortunately.

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

hosts/common/user/configs/gui/obsidian/default.nix

@@ -8,10 +8,13 @@
   ...
 }:
 let
-  userConfig = config.users.users.${username};
   hmConfig = config.home-manager.users.${username};
 in
 {
+  environment.persistence."/cache".users.${username}.directories = [
+    "${hmConfig.xdg.relativeConfigHome}/obsidian"
+  ];
+
   home-manager.users.${username} = {
     imports = [ ./options.nix ];
 
@@ -712,7 +715,5 @@ in
     sops.secrets."google/geocoding" = { };
 
     wayland.windowManager.hyprland.settings.bind = [ "$mod, o, exec, ${pkgs.obsidian}/bin/obsidian" ];
-
-    home.persistence."/cache${userConfig.home}".directories = [ ".config/obsidian" ];
   };
 }