Remove unused imports

Author: Jonathon Hill

src/Handlers/ArrayHandler.php

@@ -9,7 +9,6 @@
 use Compwright\PhpSession\Config;
 use Compwright\PhpSession\SessionId;
 use Countable;
-use RuntimeException;
 use SessionHandlerInterface;
 use SessionIdInterface;
 use SessionUpdateTimestampHandlerInterface;

tests/integration/server/App/config.php

@@ -5,7 +5,6 @@
 use Bramus\Monolog\Formatter\ColoredLineFormatter;
 use Compwright\PhpSession\Config as SessionConfig;
 use Compwright\PhpSession\Handlers\Psr16Handler as SessionSaveHandler;
-use Compwright\PhpSession\Manager;
 use Kodus\Cache\FileCache;
 use Monolog\Logger;
 use Monolog\Handler\StreamHandler;