Revert "Holocron"

chart/templates/holocron/gitlab-ingress.yaml

chart/templates/holocron/gitrepository.yaml

chart/templates/holocron/helmrelease.yaml

chart/templates/holocron/imagepullsecret.yaml

chart/templates/holocron/jira-ingress.yaml

chart/templates/holocron/namespace.yaml

chart/templates/holocron/sonarqube-ingress.yaml

chart/templates/holocron/values.yaml

chart/templates/kyverno-policies/values.yaml

chart/values.schema.json

chart/values.yaml

docs/understanding-bigbang/package-architecture/holocron.md