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/kubernetes-nbresource.yaml

@@ -27,7 +27,7 @@ spec:
     spec:
       initContainers:
       - name: wait-network-ready
-        image: "bitnami/kubectl:latest"
+        image: "netbirdio/kubectl:latest"
         command:
         - bash
         - -c
@@ -35,7 +35,7 @@ spec:
         - kubectl wait --for 'jsonpath={.status.networkID}' -n {{ $routerNS }} nbroutingpeer router; 
       containers:
       - name: apply-nbresource
-        image: "bitnami/kubectl:latest"
+        image: "netbirdio/kubectl:latest"
         env:
         - name: NBRESOURCE_VALUE
           value: |