Remove unused worker

test/browser/spec/ol/worker/version.test.js

@@ -1,29 +0,0 @@
-import {VERSION} from '../../../../../src/ol/util.js';
-import {create} from '../../../../../src/ol/worker/version.js';
-
-describe('ol/worker/version', function () {
-  let worker;
-  beforeEach(function () {
-    worker = create();
-  });
-
-  afterEach(function () {
-    if (worker) {
-      worker.terminate();
-    }
-    worker = null;
-  });
-
-  describe('messaging', function () {
-    it('responds with the version', function (done) {
-      worker.addEventListener('error', done);
-
-      worker.addEventListener('message', function (event) {
-        expect(event.data).to.equal('version: ' + VERSION);
-        done();
-      });
-
-      worker.postMessage('test message');
-    });
-  });
-});