chore: remove unnecessary empty( $object_terms ) check in is_object_in_term

Author: justlevine

src/wp-includes/taxonomy.php

@@ -4917,7 +4917,7 @@ function is_object_in_term( $object_id, $taxonomy, $terms = null ) {
 		return false;
 	}
 	if ( empty( $terms ) ) {
-		return ( ! empty( $object_terms ) );
+		return true;
 	}
 
 	$terms = (array) $terms;