Remove unneeded type cast in examples

examples/geolocation-orientation.js

@@ -36,7 +36,7 @@ map.addOverlay(marker);
 // LineString to store the different geolocation positions. This LineString
 // is time aware.
 // The Z dimension is actually used to store the rotation (heading).
-const positions = new LineString([], /** @type {module:ol/geom/GeometryLayout} */ ('XYZM'));
+const positions = new LineString([], 'XYZM');
 
 // Geolocation Control
 const geolocation = new Geolocation({