Validation dialog allows to directly removed from model set

There is some moderate riks involved here,
as this allows to change the model set in the client,
but many users have asked for this

src/blackgui/components/aircraftmodelvalidationcomponent.h

@@ -72,7 +72,10 @@ namespace BlackGui
             void requestLastResults();
 
             //! Button has been clicked
-            void onButtonClicked();
+            void onTempDisabledButtonClicked();
+
+            //! Remove from model set
+            void onRemoveButtonClicked();
 
             //! Show help
             void showHelp();