feat: disable tracking service by default

mentioned in commit a21ebb98

mentioned in merge request to-be-continuous/samples/golang-cnb-helm-on-kubernetes!67 (merged)

mentioned in merge request to-be-continuous/samples/golang-cnb-on-kubernetes!70 (merged)

mentioned in merge request to-be-continuous/samples/angular-on-s3!229 (merged)

mentioned in merge request to-be-continuous/samples/golang-on-cloudfoundry!68 (merged)

mentioned in merge request to-be-continuous/samples/golang-docker-on-aws!118 (merged)