History of walk 1 change

In crates/flow-init/src/prune.rs, lines 137–155 on v0.3.1. 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 137,155:crates/flow-init/src/prune.rs.