No longer need to have examples depend on shamrock-maven-plugin
No longer need to have examples depend on shamrock-maven-plugin

I need this dependency gone so to better be able to verify our dependencies,
and it happens I verified this workaround is not necessary; at least when
using Maven 3.5.3.

quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus,quarkusio/quarkus