fixup simplify

Author: Narretz

src/ng/directive/select.js

@@ -6,14 +6,12 @@ var noopNgModelController = { $setViewValue: noop, $render: noop };
 
 function setOptionSelectedStatus(optionEl, value) {
   optionEl.prop('selected', value); // needed for IE
-  if (value) {
-    optionEl.attr('selected', value);
-  } else {
-    // Technically, setting the property to null / false is enough to unselect the option
-    // However, screenreaders might react to the selected attribute instead, see
-    // https://github.com/angular/angular.js/issues/14419
-    optionEl.removeAttr('selected');
-  }
+  /**
+   * When unselecting an option, setting the property to null / false should be enough
+   * However, screenreaders might react to the selected attribute instead, see
+   * https://github.com/angular/angular.js/issues/14419
+   */
+  optionEl.attr('selected', value || null);
 }
 
 /**