final touch: do not try to remove trailig comma multiple times

Author: samsonasik

lib/PhpParser/Internal/TokenStream.php

@@ -229,6 +229,8 @@ public function getTokenCode(int $from, int $to, int $indent, bool $removeTraili
 
             if ($removeTrailingComma && $token->text === ',') {
                 $token->text = '';
+                // don't try to remove trailing comma multiple times
+                $removeTrailingComma = false;
             }
 
             $text = $token->text;