Docs: Replace "updated" with "deleted" in wpdb::delete @return description.

Props audrasjb, cadlec.
See #55646.


git-svn-id: https://develop.svn.wordpress.org/trunk@53462 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/wp-db.php

@@ -2501,7 +2501,7 @@ class wpdb {
 	 *                                   A format is one of '%d', '%f', '%s' (integer, float, string).
 	 *                                   If omitted, all values in $data will be treated as strings unless otherwise
 	 *                                   specified in wpdb::$field_types.
-	 * @return int|false The number of rows updated, or false on error.
+	 * @return int|false The number of rows deleted, or false on error.
 	 */
 	public function delete( $table, $where, $where_format = null ) {
 		if ( ! is_array( $where ) ) {