Remove redundant standalone: true

Proprietary

Removes the standalone: true property from Angular component, directive, and pipe decorators since standalone is the default in Angular 19+.

org.openrewrite.angular.migration.remove-standalone-true
mod run . --recipe=org.openrewrite.angular.migration.remove-standalone-true

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