Multisite: Remove theme from network allowed themes when deleted

Previously, a deleted theme would remain in the list of allowed themes until manually cleared. This uses `WP_Theme::network_disable_theme()`, added in [37202].

Fixes #34182.

Built from https://develop.svn.wordpress.org/trunk@37203


git-svn-id: http://core.svn.wordpress.org/trunk@37169 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/theme.php

@@ -83,6 +83,11 @@ function delete_theme($stylesheet, $redirect = '') {
 		}
 	}
 
+	// Remove the theme from allowed themes on the network.
+	if ( is_multisite() ) {
+		WP_Theme::network_disable_theme( $stylesheet );
+	}
+
 	// Force refresh of theme update information.
 	delete_site_transient( 'update_themes' );
 

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37202';
+$wp_version = '4.6-alpha-37203';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.