Summary:
Changelog: [Internal[Fixed] - Revert, yarn workspaces only used in private packages. Copy dependencies over from repo-config instead
Original commit changeset: 1dd2adc6a036
Reviewed By: fkgozali
Differential Revision: D30599065
fbshipit-source-id: 0efffaaf38bc23bac339e6e1d917736243e1750e