chore: Fix CS

Author: exaby73

src/Bolt/BoltUnmanagedTransaction.php

@@ -14,7 +14,6 @@
 namespace Laudis\Neo4j\Bolt;
 
 use Bolt\enum\ServerState;
-use Laudis\Neo4j\Common\TransactionHelper;
 use Laudis\Neo4j\Contracts\FormatterInterface;
 use Laudis\Neo4j\Contracts\UnmanagedTransactionInterface;
 use Laudis\Neo4j\Databags\BookmarkHolder;
@@ -23,7 +22,6 @@
 use Laudis\Neo4j\Databags\TransactionConfiguration;
 use Laudis\Neo4j\Enum\TransactionState;
 use Laudis\Neo4j\Exception\ClientException;
-use Laudis\Neo4j\Exception\Neo4jException;
 use Laudis\Neo4j\ParameterHelper;
 use Laudis\Neo4j\Types\AbstractCypherSequence;
 use Laudis\Neo4j\Types\CypherList;