Docs: Remove @access notations from method DocBlocks in wp-includes/* classes.

Prior to about 2013, many class methods lacked even access modifiers which made the `@access` notations that much more useful. Now that we've gotten to a point where the codebase is more mature from a maintenance perspective and we can finally remove these notations. Notable exceptions to this change include standalone functions notated as private as well as some classes still considered to represent "private" APIs.

See #41452.


git-svn-id: https://develop.svn.wordpress.org/trunk@41162 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-walker-nav-menu.php

@@ -19,7 +19,6 @@ class Walker_Nav_Menu extends Walker {
 	 * What the class handles.
 	 *
 	 * @since 3.0.0
-	 * @access public
 	 * @var string
 	 *
 	 * @see Walker::$tree_type
@@ -30,7 +29,6 @@ class Walker_Nav_Menu extends Walker {
 	 * Database fields to use.
 	 *
 	 * @since 3.0.0
-	 * @access public
 	 * @todo Decouple this.
 	 * @var array
 	 *