Summary: Removes pixielabs from the repo name.

Test Plan: existing

Reviewers: michelle, oazizi, vihang, #third_party_approvers

Reviewed By: michelle, #third_party_approvers

JIRA Issues: PP-2609

Differential Revision: https://phab.corp.pixielabs.ai/D8196

GitOrigin-RevId: d18846e6bedc0ebfabdf45c392af32707d72c380