Hyprland: Removed hyprpaper from exec-once

It's already configured as a user systemd service

modules/hm/hyprland.nix

@@ -110,7 +110,7 @@ in
         "noti -t 'Hyprland' -m 'New config loaded\!'"
       ];
       exec-once = [
-        "hyprpaper"
+        # "hyprpaper"
         # "swww init"
       ];
       # exec-shutdown = [ ];