prometheus.io/scrape": "true" default annotation should be changed to false or removed.

[jmlambert78]

in the https://github.com/fabric8io/jenkins-workflow-library/blob/d52a71c27c6b316266893db8092130e5e54a9af7/vars/getKubernetesJson.groovy#L38-L40 the scrape value is true, where it should not be forced by default... It is generated /Get metrics from prometheus to all services, and is useless in numerous cases. JMarc