Users: Revert [41613], [41614], and [41623] as this feature needs some more work.

See #38741

Built from https://develop.svn.wordpress.org/trunk@41753


git-svn-id: http://core.svn.wordpress.org/trunk@41587 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/update.php

@@ -78,7 +78,8 @@ function wp_version_check( $extra_stats = array(), $force_check = false ) {
 		$wp_install = network_site_url();
 		$multisite_enabled = 1;
 	} else {
-		$user_count = wp_get_active_user_count();
+		$user_count = count_users();
+		$user_count = $user_count['total_users'];
 		$multisite_enabled = 0;
 		$num_blogs = 1;
 		$wp_install = home_url( '/' );