Remove unused extractAttributes and extractStyles options

src/objectliterals.jsdoc

@@ -270,8 +270,6 @@
  * @typedef {Object} olx.format.KMLOptions
  * @property {Array.<ol.style.Style>|undefined} defaultStyle Default style. The default
  *     default style is the same as Google Earth.
- * @property {boolean|undefined} extractAttributes Extract attributes.
- * @property {boolean|undefined} extractStyles Extract styles.
  */
 
 /**

src/ol/format/kmlformat.js

@@ -1,8 +1,6 @@
 // FIXME add Styles with ids to sharedStyles_
 // FIXME refactor StyleMap handling
 // FIXME handle highlighted keys in StyleMaps - use styleFunctions
-// FIXME extractAttributes
-// FIXME extractStyles
 // FIXME http://earth.google.com/kml/1.0 namespace?
 // FIXME why does node.getAttribute return an unknown type?
 // FIXME text