Delete unused function

XeRelease_Gtkmm4/src/MyPrefs.cc

@@ -381,8 +381,3 @@ MyListStore MyPrefs::get_model()
     // The store for the dropdown and list
     return ver_list;
 }
-
-void MyPrefs::save_config_now()
-{
-    btnok_clicked();
-}

XeRelease_Gtkmm4/src/MyPrefs.hh

@@ -20,7 +20,6 @@ public:
 
     // xe_config file management
     void load_config();
-    void save_config_now();
 
     // Background preferences
     void set_background_id(int back_id);