ControllerInterface: Remove OSX window handle

also make it more thread safe (avoid rare deadlock)
and fix it trying to add devices before the CI has init

Source/Core/InputCommon/ControllerInterface/OSX/OSX.h

@@ -6,8 +6,7 @@
 
 namespace ciface::OSX
 {
-void Init(void* window);
-void PopulateDevices(void* window);
+void Init();
 void DeInit();
 
 void DeviceElementDebugPrint(const void*, void*);