Remove utility dependency

source/ls_std/boxing/String.cpp

@@ -8,7 +8,6 @@
  * */
 
 #include <algorithm>
-#include <utility>
 #include "../../../include/ls_std/boxing/String.hpp"
 
 ls_std::String::String() : Class("String")

source/ls_std/logic/StateMachine.cpp

@@ -9,8 +9,6 @@
 
 #include "../../../include/ls_std/logic/StateMachine.hpp"
 
-#include <utility>
-
 ls_std::StateMachine::StateMachine(std::string _name) :
 Class("StateMachine"),
 name(std::move(_name))

source/ls_std/serialization/json/logic/SerializableJSONStateConnection.cpp

@@ -9,8 +9,6 @@
 
 #include "../../../../../include/ls_std/serialization/logic/SerializableJSONStateConnection.hpp"
 
-#include <utility>
-
 ls_std::SerializableJSONStateConnection::SerializableJSONStateConnection(std::shared_ptr<ls_std::StateConnection> _value) :
 Class("SerializableJSONStateConnection"),
 value(std::move(_value))