Remove unused imports

Author: pnv1

ydb-cookbook/src/main/java/tech/ydb/examples/topic/ReadSync.java

@@ -3,14 +3,12 @@
 import java.nio.charset.StandardCharsets;
 import java.time.Duration;
 import java.time.Instant;
-import java.util.List;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import tech.ydb.core.grpc.GrpcTransport;
 import tech.ydb.examples.SimpleExample;
 import tech.ydb.topic.TopicClient;
-import tech.ydb.topic.description.MetadataItem;
 import tech.ydb.topic.read.DecompressionException;
 import tech.ydb.topic.read.Message;
 import tech.ydb.topic.read.SyncReader;

ydb-cookbook/src/main/java/tech/ydb/examples/topic/transactions/TransactionReadSync.java

@@ -13,8 +13,6 @@
 import tech.ydb.table.Session;
 import tech.ydb.table.TableClient;
 import tech.ydb.table.transaction.TableTransaction;
-import tech.ydb.table.transaction.Transaction;
-import tech.ydb.table.transaction.TxControl;
 import tech.ydb.topic.TopicClient;
 import tech.ydb.topic.read.DecompressionException;
 import tech.ydb.topic.read.Message;