Hot-restart guard comes from fox_utils 0.1.8 (shared with other media_kit apps)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

apps/desktop/linux/runner/my_application.cc

@@ -6,7 +6,6 @@
 #endif
 
 #include "flutter/generated_plugin_registrant.h"
-#include "hot_restart_guard.h"
 
 struct _MyApplication {
   GtkApplication parent_instance;
@@ -88,7 +87,6 @@ static void my_application_activate(GApplication* application) {
   gtk_widget_realize(GTK_WIDGET(view));
 
   fl_register_plugins(FL_PLUGIN_REGISTRY(view));
-  hot_restart_guard_attach(view);
 
   gtk_widget_grab_focus(GTK_WIDGET(view));
 }