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/kitty/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.relativeCacheHome}/kitty"
+  ];
+
   home-manager.users.${username} = {
     programs.kitty = {
       enable = true;
@@ -41,9 +44,5 @@ in
         )
       } &";
     };
-
-    home.persistence."/cache${userConfig.home}".directories = [
-      "${hmConfig.xdg.relativeCacheHome}/kitty"
-    ];
   };
 }