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/swww/default.nix

@@ -8,7 +8,6 @@
   ...
 }:
 let
-  userConfig = config.users.users.${username};
   hmConfig = config.home-manager.users.${username};
   themeSwww = lib.meta.getExe (
     pkgs.writeShellApplication {
@@ -22,11 +21,12 @@ let
   );
 in
 {
+  environment.persistence."/cache".users.${username}.directories = [
+    "${hmConfig.xdg.relativeCacheHome}/swww"
+  ];
+
   home-manager.users.${username} = {
-    home = {
-      packages = with pkgs; [ swww ];
-      persistence."/cache${userConfig.home}".directories = [ "${hmConfig.xdg.relativeCacheHome}/swww" ];
-    };
+    home.packages = with pkgs; [ swww ];
 
     systemd.user.services.swww = {
       Unit = {