Remove goog.net.* and goog.async.AnimationDelay

src/ol/has.js

@@ -20,6 +20,12 @@ ol.has.FIREFOX = ua.indexOf('firefox') !== -1;
  */
 ol.has.SAFARI = ua.indexOf('safari') !== -1 && ua.indexOf('chrom') === -1;
 
+/**
+ * User agent string says we are dealing with a Mac as platform.
+ * @type {boolean}
+ */
+ol.has.MAC = ua.indexOf('Macintosh') !== -1;
+
 
 /**
  * The ratio between physical pixels and device-independent pixels