tray: drop std::filesystem dependency

include/factory.hpp

@@ -14,7 +14,7 @@
 #include "modules/idle_inhibitor.hpp"
 #include "modules/memory.hpp"
 #include "modules/disk.hpp"
-#if defined(HAVE_DBUSMENU) && !defined(NO_FILESYSTEM)
+#ifdef HAVE_DBUSMENU
 #include "modules/sni/tray.hpp"
 #endif
 #ifdef HAVE_LIBNL

include/modules/sni/item.hpp

@@ -10,11 +10,6 @@
 #include <json/json.h>
 #include <libdbusmenu-gtk/dbusmenu-gtk.h>
 #include <sigc++/trackable.h>
-#ifdef FILESYSTEM_EXPERIMENTAL
-#include <experimental/filesystem>
-#else
-#include <filesystem>
-#endif
 
 namespace waybar::modules::SNI {