Refactor uninstallation process (#74)

Docs PR: https://github.com/netbirdio/docs/pull/457

Changes:
* Split kubernetes-operator Chart to operator only chart
(kubernetes-operator) and configuration chart (netbird-operator-config)
* Remove delete validation webhooks for non-needed resources
* Allow abandoning Groups when still linked to a resource for over a
minute after deletion
* Fix duplciate Network Resource retrying heavily
* Fix SetupKey creation duplication
* Skip deleting routing peer since deleting network automatically
deletes it anyway

helm/kubernetes-operator/templates/nbpolicies.yaml

@@ -8,6 +8,8 @@ metadata:
   labels:
     app.kubernetes.io/component: operator
     {{- include "kubernetes-operator.labels" $ | nindent 4 }}
+  annotations:
+    helm.sh/resource-policy: keep
   name: {{ $k }}
 spec:
   name: {{ $v.name }}