Remove verbose key from schema
Remove verbose key from schema

It was unused, besides this it's a CLI option.

Fixes #128.

jboss-dockerfiles/dogen,goldmann/dogen,jboss-container-images/concreate,jboss-container-images/concreate,goldmann/dogen,jboss-dockerfiles/dogen,jboss-container-images/concreate,goldmann/dogen,jboss-dockerfiles/dogen