CRDs should only be installed if ingress controller is installed

[joshiparth1000]

Currently CRDs are installed even when kong is deployed in hybris mode. CRDs are only needed if ingress controller is installed. Therefore, it should be based on the ingresscontroller enabled flag

[pmalek]

kong chart has its CRDs packages with the chart (following https://helm.sh/docs/chart_best_practices/custom_resource_definitions/#method-1-let-helm-do-it-for-you). If you don't want them installed then just use the flag:

      --skip-crds                                  if set, no CRDs will be installed. By default, CRDs are installed if not already present

during helm install invocations.

There's no way (that I know of) to control this behavior from the helm chart itself. It's up to the user to use the flag.

We could package the charts in chart templates or subchart and control their installations through configuration in values.yaml but that's a decision we have not made yet.