Revert "Create manifest.json for auto import owid COVID-19 data (#364)" (#366)
Revert "Create manifest.json for auto import owid COVID-19 data (#364)" (#366)

This reverts commit 08c5e7f8e75ab2ee01dc1a65c07fc121208aa9ee.
datacommonsorg/data,datacommonsorg/data,datacommonsorg/data,datacommonsorg/data,datacommonsorg/data,datacommonsorg/data,datacommonsorg/data