fix: do not scrape kube metrics by default

[j-zimnowoda]

fixes #900

Checklist

• Architecture Design Records have been added as adr/*.md and appended to list in adr/_index.md, if applicable.
• The values-schema.yaml file and test/** fixtures have been updated to reflect code changes, if applicable.
• The OpenApi Schema from redkubes/otomi-api project is compatible with definitions from values-schema.yaml file, if applicable.
• Helm releases are meeting otomi's baseline security policies, if applicable.
• Helm chart and helmfile changes are tested against upgrade scenario, if applicable.

[staticvoid255]

Disabling by default is a good decision. I do plan on providing monitoring for these services for the client, but since there doesn't seem to be a consistent default location for these services between cloud providers, it's better to disable.