Turn off the walker service until the memory leak is fixed

See https://github.com/basecamp/omarchy/issues/698

default/hypr/autostart.conf

@@ -4,6 +4,9 @@ exec-once = uwsm app -- waybar
 exec-once = uwsm app -- fcitx5
 exec-once = uwsm app -- swaybg -i ~/.config/omarchy/current/background -m fill
 exec-once = uwsm app -- swayosd-server
-exec-once = uwsm app -- walker --gapplication-service
 exec-once = /usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1
 exec-once = wl-clip-persist --clipboard regular --all-mime-type-regex '^(?!x-kde-passwordManagerHint).+'
+
+# FIXME: Reenable the walker service once the memory leak has been fixed
+# See https://github.com/basecamp/omarchy/issues/698
+exec-once = uwsm app -- walker --gapplication-service