Minor refactoring

Author: rogyar

guides/v2.2/javascript-dev-guide/widgets/widget_dropdown.md

@@ -133,7 +133,6 @@ $('.magento__dropdown-widget').dropdown();
 -  [menu](#d_menu)
 -  [activeClass](#d_activeClass)
 
-Description of each option as follows below location.
 
 ### `parent`   {#d_parent}