ENH: clean codes about device

JIRA: [STUDIO-13609]
Change-Id: I591de7033360b9570600006cfbce2148a8d031d5
(cherry picked from commit e9c774be8f4c89b8dafa14ef56913612fb68bd0c)

src/slic3r/GUI/DeviceCore/DevCtrl.h

@@ -0,0 +1,26 @@
+#pragma once
+#include "libslic3r/CommonDefs.hpp"
+
+#include "slic3r/Utils/json_diff.hpp"
+#include <wx/string.h>
+
+namespace Slic3r
+{
+
+//Previous definitions
+class MachineObject;
+
+
+class DevCtrl
+{
+    MachineObject* m_obj;
+public:
+    DevCtrl(MachineObject* obj) : m_obj(obj) {};
+    ~DevCtrl() = default;
+
+public:
+    /*extruder system*/
+    int command_select_extruder(int id);
+};
+
+};