Replace include guards with pragma once

include/PSX/System/IOPorts/ioport.hpp

@@ -1,5 +1,4 @@
-#ifndef __JABYENGINE_IOPORT_HPP__
-#define __JABYENGINE_IOPORT_HPP__
+#pragma once
 #include "../../Auxiliary/types.hpp"
 #include "../../Auxiliary/bits.hpp"
 
@@ -116,5 +115,4 @@ namespace JabyEngine {
     #define __declare_io_port_w_type(cv, type, name, adr) __declare_value_at(cv, ::JabyEngine::IOPort<type>, name, adr)
     #define __declare_io_port(cv, name, adr)              __declare_io_port_w_type(cv, struct name, name, adr)        
     #define __declare_io_port_array(cv, name, size, adr)  __declare_array_at(cv, struct name, name, size, adr)
-}
-#endif //!__JABYENGINE_IOPORT_HPP__
+}