Unmute kafka tests (#3285)

Author: niksaveliev

.github/config/muted_ya.txt

@@ -5,8 +5,6 @@ ydb/core/client/ut TClientTest.ReadFromFollower
 ydb/core/client/ut TFlatTest.AutoSplitMergeQueue
 ydb/core/cms/ut_sentinel TSentinelTests.BSControllerCantChangeStatus
 ydb/core/quoter/ut QuoterWithKesusTest.PrefetchCoefficient
-ydb/core/kafka_proxy/ut KafkaProtocol.CreatePartitionsScenario
-ydb/core/kafka_proxy/ut KafkaProtocol.ProduceScenario
 ydb/core/kqp/provider/ut KikimrIcGateway.TestLoadBasicSecretValueFromExternalDataSourceMetadata
 ydb/core/kqp/ut/federated_query/generic *
 ydb/core/kqp/ut/olap *