Multisite: After [40305], rename clean_site_details_cache() method as it's not really private.

See #40063.



git-svn-id: https://develop.svn.wordpress.org/trunk@40333 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/ms-blogs.php

@@ -476,11 +476,10 @@ function clean_blog_cache( $blog ) {
  * Cleans the site details cache for a site.
  *
  * @since 4.7.4
- * @private
  *
  * @param int $site_id Optional. Site ID. Default is the current site ID.
  */
-function _clean_site_details_cache( $site_id = 0 ) {
+function clean_site_details_cache( $site_id = 0 ) {
 	$site_id = (int) $site_id;
 	if ( ! $site_id ) {
 		$site_id = get_current_blog_id();