Follows https://github.com/shurcooL/githubv4/commit/19298c78142b5fe80c2cdaa2091bc51cbc3a94fc.

Follows https://dmitri.shuralyov.com/service/change/...$commit/fc8c6aa79f17ce892e73e9f5422bb8b24becdd14.

Follows https://dmitri.shuralyov.com/service/change/...$commit/c4416e7845a6acd15a4c3ee4c0b71bd2b390ec42.

The package has moved. It was never pushed to the previous remote, all
development was done locally, so it can't have any external users.

It's not needed and not used; issuesapp provides its own anchor styles
where needed.