Update muted YA file for stable-25-1

Author: ydbot

.github/config/muted_ya.txt

@@ -17,7 +17,6 @@ ydb/core/keyvalue/ut_trace TKeyValueTracingTest.ReadSmall
 ydb/core/keyvalue/ut_trace TKeyValueTracingTest.WriteHuge
 ydb/core/keyvalue/ut_trace TKeyValueTracingTest.WriteSmall
 ydb/core/kqp/ut/batch_operations [*/*] chunk chunk
-ydb/core/kqp/ut/cost KqpCost.OlapWriteRow
 ydb/core/kqp/ut/federated_query/s3 sole chunk chunk
 ydb/core/kqp/ut/join KqpIndexLookupJoin.LeftJoinRightNullFilter+StreamLookup
 ydb/core/kqp/ut/join KqpIndexLookupJoin.LeftJoinRightNullFilter-StreamLookup