Summary:
To enforce a convention/simplicity in our code, we should just establish a rule that all data analytics metrics eventually end up in BigQuery via segment (just to reduce the # of paths).
This diff reverts the changes which adds bigquery to the metrics server, since the metrics server will just use segment. Segment will also be simpler, since we won't have to figure out the BigQuery table setup (segment will handle that for us).

Revert of: https://phab.corp.pixielabs.ai/D9959



Test Plan: n/a

Reviewers: vihang, zasgar, #third_party_approvers

Reviewed By: vihang, #third_party_approvers
Signed-off-by: Michelle Nguyen <michellenguyen@pixielabs.ai>

Differential Revision: https://phab.corp.pixielabs.ai/D10119

GitOrigin-RevId: 8031f5d459f8d7e5056f84b0e95b5ef1d8eec143