Helm linting does not work for eap-xp4.
See below:
```
$ helm lint /home/ssur/Work/eap-charts/charts/eap-xp4
==> Linting /home/ssur/Work/eap-charts/charts/eap-xp4
[ERROR] templates/service.yaml: unable to parse YAML: invalid Yaml document separator: apiVersion: v1
```