Remove redundant imports

Author: pnv1

ydb-cookbook/src/main/java/tech/ydb/examples/SimpleExample.java

@@ -1,18 +1,7 @@
 package tech.ydb.examples;
 
-import java.time.Duration;
-
 import tech.ydb.auth.iam.CloudAuthHelper;
-import tech.ydb.core.Result;
-import tech.ydb.core.Status;
 import tech.ydb.core.grpc.GrpcTransport;
-import tech.ydb.scheme.SchemeClient;
-import tech.ydb.scheme.description.DescribePathResult;
-import tech.ydb.topic.TopicClient;
-import tech.ydb.topic.description.Codec;
-import tech.ydb.topic.description.Consumer;
-import tech.ydb.topic.description.SupportedCodecs;
-import tech.ydb.topic.settings.CreateTopicSettings;
 
 
 /**