Docs: Remove @staticvar tags from core.

The tag was supported in phpDocumentor 1.x, but is no longer supported in 2.x and 3.x.

Usage of static variables is considered an internal implementation detail and has no information value for someone reading the docs.

Props alishanvr, jrf.
Fixes #50426.

git-svn-id: https://develop.svn.wordpress.org/trunk@48109 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/template.php

@@ -603,8 +603,6 @@ function list_meta( $meta ) {
  *
  * @since 2.5.0
  *
- * @staticvar string $update_nonce
- *
  * @param array $entry
  * @param int   $count
  * @return string
@@ -1236,8 +1234,6 @@ function _get_plugin_from_callback( $callback ) {
  *
  * @global array $wp_meta_boxes
  *
- * @staticvar bool $already_sorted
- *
  * @param string|WP_Screen $screen  The screen identifier. If you have used add_menu_page() or
  *                                  add_submenu_page() to create a new screen (and hence screen_id)
  *                                  make sure your menu slug conforms to the limits of sanitize_key()