Revert "Cesium: add mapbox provider, make it the default provider"

This reverts commit 472e1b3.

Author: Williangalvani

src/assets/mapbox.png

@@ -19,7 +19,6 @@ import {
     Color,
     createDefaultImageryProviderViewModels,
     ProviderViewModel,
-    MapboxStyleImageryProvider,
     UrlTemplateImageryProvider,
     Viewer, createWorldTerrain,
     PointPrimitiveCollection,
@@ -104,11 +103,10 @@ export default {
                     scene3DOnly: false,
                     selectionIndicator: false,
                     shadows: true,
-                    selectedImageryProviderViewModel: this.mapboxprovider,
                     imageryProviderViewModels: imageryProviders
 
                 })
-            this.viewer.imageryLayers.addImageryProvider(this.mapboxprovider)
+
             this.viewer.scene.debugShowFramesPerSecond = true
             if (this.state.vehicle !== 'boat') {
                 this.viewer.terrainProvider = createWorldTerrain()
@@ -191,20 +189,6 @@ export default {
                             })
                         }
                     }))
-                    // save this one so it can be referenced when creating the cesium viewer
-                    this.mapboxprovider = new ProviderViewModel({
-                        name: 'MapBox',
-                        iconUrl: require('../assets/mapbox.png'),
-                        tooltip: 'Mapbox aerial imagery \nhttps://www.mapbox.com/',
-                        creationFunction: function () {
-                            return new MapboxStyleImageryProvider({
-                                styleId: 'satellite-streets-v11',
-                                accessToken: 'sk.eyJ1Ijoid2lsbGlhbmdhbHZhbmkiLCJhIjoi' +
-                                'Y2tlMWphbDU5MGVtYzJybWZ3M3BsNzA0ZiJ9.auDGkWkW_r7SFfkcCp1PNg'
-                            })
-                        }
-                    })
-                    imageryProviders.push(this.mapboxprovider)
                     imageryProviders.push(new ProviderViewModel({
                         name: 'Eniro',
                         iconUrl: require('../assets/eniro.png'),