Revert "Merge branch '349613-cache-data-scalable-metrics-dictionary' into 'main'"

This reverts merge request !16 (merged)

The cache is not being correctly invalidated, so it's loading a non-existent/old version of the data file.

Screenshot

manifest.json

{
  "service_ping": "80e68b9f13eef38cccbfa1bbd6f5bf9f",
  "snowplow": "c23b9cc1e1407b5fd738fff5e88bde12"
}