History of unlink 1 change

In crates/hub/src/signin.rs, lines 271–278 on 336c953a020f9376fcc43f205e1d11763241c476674d6211fcf37a9562c329b3. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 271,278:crates/hub/src/signin.rs.