Don't add mapbox-gl into dependencies

examples/.eslintrc

@@ -10,6 +10,7 @@
     "GyroNorm": false,
     "jsPDF": false,
     "jsts": false,
+    "mapboxgl": false,
     "saveAs": false,
     "toastr": false,
     "topojson": false,

examples/mapbox-layer.html

@@ -5,6 +5,8 @@ shortdesc: Example of a Mapbox-gl-js layer integration.
 docs: >
   Show how to add a mapbox-gl-js layer in an openlayers map. **Note**: Make sure to get your own Mapbox API key when using this example. No map will be visible when the API key has expired.
 tags: "simple, mapbox, vector, tiles"
+resources:
+  - https://unpkg.com/mapbox-gl@0.51.0/dist/mapbox-gl.js
 cloak:
   - key: ER67WIiPdCQvhgsUjoWK
     value: Your Mapbox access token from http://mapbox.com/ here

examples/mapbox-layer.js

@@ -3,7 +3,6 @@ import View from '../src/ol/View.js';
 import Layer from '../src/ol/layer/Layer';
 import {assign} from '../src/ol/obj';
 import {getTransform} from '../src/ol/proj';
-import mapboxgl from 'mapbox-gl/dist/mapbox-gl-dev';
 import SourceState from '../src/ol/source/State';
 import {Stroke, Style} from '../src/ol/style.js';
 import VectorLayer from '../src/ol/layer/Vector.js';

package.json

@@ -36,7 +36,6 @@
     "url": "https://github.com/openlayers/openlayers/issues"
   },
   "dependencies": {
-    "mapbox-gl": "^0.51.0",
     "pbf": "3.1.0",
     "pixelworks": "1.1.0",
     "rbush": "2.0.2"