Simplify nested using statement

Proprietary

Merge nested using statements into a single using declaration.

OpenRewrite.Recipes.CSharp.CodeQuality.Simplification.SimplifyNestedUsingStatement
mod run . --recipe=OpenRewrite.Recipes.CSharp.CodeQuality.Simplification.SimplifyNestedUsingStatement

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