fixed openmap

public/ar_overviewmap.js

@@ -38,13 +38,7 @@ function init_map() {
             // Select one basemap from:
             // https://leaflet-extras.github.io/leaflet-providers/preview/
 
-            var OpenStreetMap_DE = L.tileLayer(
-                'https://tile.openstreetmap.de/{z}/{x}/{y}.png',
-                    {
-                         maxZoom: 20,
-                         attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
-                     }
-            );
+
 
             OpenStreetMap_DE.addTo(mymap);