Revert "Sample Data"

This reverts commit 30e329cff2f14e89d066ef4df9bb22660027611b.
Revert "null"

This reverts commit 5688088747e39602d4b7e2fa9ab11270ddd81443.
Revert "null"

This reverts commit ad54cf9c53c3eeda2722b999d6151dbdf01f933d.