Simplify single-case select

Proprietary

Replace select statements with a single case and no default with the channel operation directly.

org.openrewrite.golang.codequality.SimplifySingleCaseSelect

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

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