unmute merge_split_common_table tests (#2775)

Author: siarheivesialou

.github/config/muted_ya.txt

@@ -97,8 +97,6 @@ ydb/tests/functional/kqp/kqp_query_session KqpQuerySession.NoLocalAttach
 ydb/tests/functional/restarts test_restarts.py.*
 ydb/tests/functional/serverless test_serverless.py.test_database_with_disk_quotas[enable_alter_database_create_hive_first--*]
 ydb/tests/functional/sqs/cloud test_common.py.TestCommonSqsYandexCloudMode.test_private_create_queue[tables_format_v0-std]
-ydb/tests/functional/sqs/merge_split_common_table/fifo *
-ydb/tests/functional/sqs/merge_split_common_table/std *
 ydb/tests/functional/tenants test_dynamic_tenants.py.*
 ydb/tests/functional/tenants test_storage_config.py.TestStorageConfig.*
 ydb/tests/functional/tenants test_tenants.py.*