Add migration for metrics
Removes the metrics about /parquet-and-dataset-info

see https://github.com/huggingface/datasets-server/pull/1043#issuecomment-1523353409
Add migration for metrics: Removes the metrics about /parquet-and-dataset-info

see https://github.com/huggingface/datasets-server/pull/1043#issuecomment-1523353409