Revert "[ci] Enable codecov to be skipped optionally (#3442)" (#3443)
Revert "[ci] Enable codecov to be skipped optionally (#3442)" (#3443)

This reverts commit df4a37129ef4a84713b0fc06cd77da9d4817a2ba.
m3db/m3db,m3db/m3db,m3db/m3db,m3db/m3db