meta: Replace swaync with dunst

It's easier to use the same notification daemon across both X and
Wayland.

home/dunst.nix

@@ -1,4 +1,4 @@
-{ lib, pkgs, ... }:
+{ pkgs, ... }:
 
 {
   services.dunst = {
@@ -27,6 +27,4 @@
       };
     };
   };
-
-  systemd.user.services.dunst = lib.mkForce { };
 }

home/hyprland.nix

@@ -335,7 +335,6 @@ in
   };
 
   services = {
-    swaync.enable = true;
     hyprpaper.enable = mkForce false;
   };
 }