Replace map range-delete with clear()

Proprietary

Replace for k := range m { delete(m, k) } with clear(m) (Go 1.21+).

org.openrewrite.golang.codequality.FindMapRangeClear

mod run . --recipe=org.openrewrite.golang.codequality.FindMapRangeClear

Install it once, then run it on every repository under the current directory. New to the Moderne CLI? Set it up.