fixed optional and function dependeny on memory.hpp

include/gp/function.hpp

@@ -1,5 +1,4 @@
 #pragma once
-#include "gp/memory.hpp"
 #include "gp/exception.hpp"
 
 namespace gp{

include/gp/optional.hpp

@@ -3,7 +3,6 @@
 #include "gp_config.hpp"
 #include "gp/exception.hpp"
 #include "gp/algorithm/move.hpp"
-#include "gp/memory.hpp"
 
 namespace gp{
 	struct nullopt_t{};