[inf] Directory repo/summary is too crowded

[cbart]

Ownership panel in repo/directory is too crowded for a repo where multiple people contribute. We got to figure out what is the meaningful piece of data here.

[cbart]

Design session coming 5/30 to resolve this, notes: https://docs.google.com/document/d/11_DdJuoq443Yk3Y0tJeDqup1xaEZOa3T7hHfCNnyAKo/edit#bookmark=id.iraiyooa19om