Remove all old code

examples/PoolBox/application/old/Overlay/Overlay.hpp

@@ -0,0 +1,14 @@
+#pragma once
+#include <PSX/Timer/high_res_timer.hpp>
+#include <stdint.h>
+
+namespace Overlay {
+    namespace TimerTest {
+        using TimeStamp = JabyEngine::HighResTime::TimeStamp;
+
+        void mesaure_busy_loop();
+
+        TimeStamp start_measuring();
+        void      end_measuring(const TimeStamp& start, size_t data_samples);
+    }
+}