Remove redundant check for whether validation error has WP_Term

Co-authored-by: Pierre Gordon <16200219+pierlon@users.noreply.github.com>

includes/validation/class-amp-validated-url-post-type.php

@@ -902,7 +902,7 @@ public static function get_recent_validation_errors_by_source( $count = 100 ) {
 					continue;
 				}
 				foreach ( $validation_error['data']['sources'] as $source ) {
-					if ( ! isset( $source['type'], $source['name'] ) || ! $validation_error['term'] instanceof WP_Term ) {
+					if ( ! isset( $source['type'], $source['name'] ) {
 						continue;
 					}
 					$data = json_decode( $validation_error['term']->description, true );