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/cliphist/default.nix

@@ -8,20 +8,18 @@
   ...
 }:
 let
-  userConfig = config.users.users.${username};
   hmConfig = config.home-manager.users.${username};
 in
 {
+  environment.persistence."/cache".users.${username}.directories = [
+    "${hmConfig.xdg.relativeCacheHome}/cliphist"
+  ];
+
   home-manager.users.${username} = {
-    home = {
-      packages = with pkgs; [
-        wl-clipboard
-        cliphist
-      ];
-      persistence."/cache${userConfig.home}".directories = [
-        "${hmConfig.xdg.relativeCacheHome}/cliphist"
-      ];
-    };
+    home.packages = with pkgs; [
+      wl-clipboard
+      cliphist
+    ];
 
     systemd.user.services = {
       cliphist = {