Drop eom_close_confirmation_dialog_set_sensitive

This internal function is only used at one place.
No need to set the dialog buttons insensitive after
save-image is executed.

As result we don't use deprecated gtk_dialog_get_action_area

inspired by comment from
https://gitlab.gnome.org/GNOME/eog/commit/a48af02

src/eom-close-confirmation-dialog.c

@@ -676,17 +676,3 @@ eom_close_confirmation_dialog_get_unsaved_images (EomCloseConfirmationDialog *dl
 	return dlg->priv->unsaved_images;
 }
 
-void
-eom_close_confirmation_dialog_set_sensitive (EomCloseConfirmationDialog *dlg,
-					     gboolean value)
-{
-	GtkWidget *action_area;
-
-	g_return_if_fail (EOM_IS_CLOSE_CONFIRMATION_DIALOG (dlg));
-
-	action_area = gtk_dialog_get_action_area (GTK_DIALOG (dlg));
-	gtk_widget_set_sensitive (action_area, value);
-
-	if (dlg->priv->toggle_renderer)
-		gtk_cell_renderer_toggle_set_activatable (GTK_CELL_RENDERER_TOGGLE (dlg->priv->toggle_renderer), value);
-}

src/eom-close-confirmation-dialog.h

@@ -72,8 +72,5 @@ const GList	*eom_close_confirmation_dialog_get_unsaved_images	(EomCloseConfirmat
 G_GNUC_INTERNAL
 GList		*eom_close_confirmation_dialog_get_selected_images	(EomCloseConfirmationDialog *dlg);
 
-G_GNUC_INTERNAL
-void		 eom_close_confirmation_dialog_set_sensitive		(EomCloseConfirmationDialog *dlg, gboolean value);
-
 #endif /* __EOM_CLOSE_CONFIRMATION_DIALOG_H__ */
 

src/eom-window.c

@@ -2300,7 +2300,6 @@ close_confirmation_dialog_response_handler (EomCloseConfirmationDialog *dlg,
 		case GTK_RESPONSE_YES:
 			/* save selected images */
 			selected_images = eom_close_confirmation_dialog_get_selected_images (dlg);
-			eom_close_confirmation_dialog_set_sensitive (dlg, FALSE);
 			if (eom_window_save_images (window, selected_images)) {
 				g_signal_connect (priv->save_job,
 							  "finished",