cmd/etl: don't log the DB password
cmd/etl: don't log the DB password



Change-Id: Iebc7c3932b4c46ab198736c3e49dd1a9a7e302e4
Reviewed-on: https://team-review.git.corp.google.com/c/golang/discovery/+/528127
Reviewed-by: Julie Qiu <e6cb64861edcc38971590ff27c111e0e672de045@google.com>

golang/pkgsite,golang/pkgsite,golang/pkgsite,golang/pkgsite