Remove non used code (#37)

Author: zigzagdev

src/TicketSwapErrorFormatter.php

@@ -101,7 +101,6 @@ public function formatErrors(AnalysisResult $analysisResult, Output $output) : i
                             $error->getIdentifier(),
                             $output->isDecorated(),
                         ),
-                        '{identifier}' => $error->getIdentifier(),
                         '{links}' => implode([
                             $this::link(
                                 $this->linkFormat,