Remove use statement from RequestTrait.php

Author: Илья

src/Traits/RequestTrait.php

@@ -4,7 +4,6 @@
 
 use Ydb\StatusIds\StatusCode;
 
-use YdbPlatform\Ydb\Enums\CollectQueryStatsMode;
 use YdbPlatform\Ydb\Issue;
 use YdbPlatform\Ydb\Exception;
 use YdbPlatform\Ydb\QueryResult;