History of CloudStore::delete 2 changes

In crates/oxy-strata/src/lib.rs, lines 753–760 on v0.4.6. 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 753,760:crates/oxy-strata/src/lib.rs.