Fix: do not delete predefined vc in tour

Change-Id: I59667dee50784816e99544402dc2e28d45f47fe3
diff --git a/dev/js/src/tour/tours.js b/dev/js/src/tour/tours.js
index 152ef9a..e08e684 100644
--- a/dev/js/src/tour/tours.js
+++ b/dev/js/src/tour/tours.js
@@ -234,7 +234,6 @@
         case "vc-view":  
           let vchoo = doe.querySelector("#vc-choose");
           let vcv = doe.querySelector("#vc-view");  
-          KorAP._delete.apply(KorAP.vc.root());
           if(!(vcv.querySelector(".active"))){
             vchoo.click();
             /*