Networks and Sites: Remove duplicate cache entry.

Remove the `networks_have_paths, site-options` cache entry as it duplicates caching within the `WP_Network_Query` class.

Props uday17035, spacedmonkey, johnbillion, johnjamesjacoby.
Fixes #42070.


Built from https://develop.svn.wordpress.org/trunk@53083


git-svn-id: http://core.svn.wordpress.org/trunk@52672 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/schema.php

@@ -1173,8 +1173,6 @@ function populate_network_meta( $network_id, array $meta = array() ) {
 		wp_cache_delete( $network_id, 'networks' );
 	}
 
-	wp_cache_delete( 'networks_have_paths', 'site-options' );
-
 	if ( ! is_multisite() ) {
 		$site_admins = array( $site_user->user_login );
 		$users       = get_users(

wp-includes/class-wp-network.php

@@ -353,17 +353,13 @@ class WP_Network {
 		 */
 		$using_paths = true;
 		if ( wp_using_ext_object_cache() ) {
-			$using_paths = wp_cache_get( 'networks_have_paths', 'site-options' );
-			if ( false === $using_paths ) {
-				$using_paths = get_networks(
-					array(
-						'number'       => 1,
-						'count'        => true,
-						'path__not_in' => '/',
-					)
-				);
-				wp_cache_add( 'networks_have_paths', $using_paths, 'site-options' );
-			}
+			$using_paths = get_networks(
+				array(
+					'number'       => 1,
+					'count'        => true,
+					'path__not_in' => '/',
+				)
+			);
 		}
 
 		$paths = array();

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.0-alpha-53082';
+$wp_version = '6.0-alpha-53083';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.