Remove unneeded type cast

src/ol/format/kmlformat.js

@@ -318,7 +318,6 @@ ol.format.KML.ICON_ANCHOR_UNITS_MAP_ = {
  * @private
  */
 ol.format.KML.createNameStyleFunction_ = function(foundStyle, name) {
-  /** @type {?ol.style.Text} */
   var textStyle = null;
   var textOffset = [0, 0];
   var textAlign = 'start';
@@ -378,7 +377,6 @@ ol.format.KML.createFeatureStyleFunction_ = function(style, styleUrl,
         var drawName = showPointNames;
         /** @type {ol.style.Style|undefined} */
         var nameStyle;
-        /** @type {string} */
         var name = '';
         if (drawName) {
           if (this.getGeometry()) {
@@ -1002,9 +1000,7 @@ ol.format.KML.readMultiGeometry_ = function(node, objectStack) {
     }
   }
   if (homogeneous) {
-    /** @type {ol.geom.GeometryLayout} */
     var layout;
-    /** @type {Array.<number>} */
     var flatCoordinates;
     if (type == ol.geom.GeometryType.POINT) {
       var point = geometries[0];