chore(): move jenkins build process to the pipeline plugin
chore(): move jenkins build process to the pipeline plugin

fix https://github.com/gravitee-io/jenkins-scripts/issues/25

lauthieb/gravitee-management-webui,M3lkior/gravitee-management-webui,gravitee-io/gravitee-management-webui,lauthieb/gravitee-management-webui,lauthieb/gravitee-management-webui,gravitee-io/gravitee-management-webui,M3lkior/gravitee-management-webui,gravitee-io/gravitee-management-webui