Remove deprecation of Name::$parts

It doesn't look like this is going away for now, and we currently
don't have the APIs to cover all existing usages elegantly.

lib/PhpParser/Node/Name.php

@@ -8,7 +8,6 @@ class Name extends NodeAbstract
 {
     /**
      * @var string[] Parts of the name
-     * @deprecated Avoid directly accessing $parts, use methods instead.
      */
     public $parts;