Remove roles/bigquery.dataViewer role from server
Remove roles/bigquery.dataViewer role from server

It is sufficient for the forseti server to have roles/bigquery.metadataViewer to view bigquery resources; it does not need roles/bigquery.dataViewer.

We can see the forseti python installer does not have this role: 
https://github.com/forseti-security/forseti-security/blob/886e4bdc42ce7220f65f7babffd1faeaedae4e6a/install/gcp/installer/util/constants.py#L88

It was removed in https://github.com/forseti-security/forseti-security/pull/2395.
forseti-security/terraform-google-forseti,forseti-security/terraform-google-forseti,forseti-security/terraform-google-forseti