Only mark items as api, not enums

src/ol/style/IconAnchorUnits.js

@@ -5,15 +5,16 @@
 /**
  * Icon anchor units. One of 'fraction', 'pixels'.
  * @enum {string}
- * @api
  */
 export default {
   /**
    * Anchor is a fraction
+   * @api
    */
   FRACTION: 'fraction',
   /**
    * Anchor is in pixels
+   * @api
    */
   PIXELS: 'pixels'
 };

src/ol/style/IconOrigin.js

@@ -5,23 +5,26 @@
 /**
  * Icon origin. One of 'bottom-left', 'bottom-right', 'top-left', 'top-right'.
  * @enum {string}
- * @api
  */
 export default {
   /**
    * Origin is at bottom left
+   * @api
    */
   BOTTOM_LEFT: 'bottom-left',
   /**
    * Origin is at bottom right
+   * @api
    */
   BOTTOM_RIGHT: 'bottom-right',
   /**
    * Origin is at top left
+   * @api
    */
   TOP_LEFT: 'top-left',
   /**
    * Origin is at top right
+   * @api
    */
   TOP_RIGHT: 'top-right'
 };