rm Helm install from docs

docs/installation/helm-install-on-existing-cluster.md

@@ -1,29 +0,0 @@
-# Helm Install on existing cluster
-
-For those that wish to use [Helm](https://helm.sh/) to install the awx-operator to an existing K8s cluster:
-
-The helm chart is generated from the `helm-chart` Makefile section using the starter files in `.helm/starter`. Consult [the documentation](https://github.com/ansible/awx-operator/blob/devel/.helm/starter/README.md) on how to customize the AWX resource with your own values.
-
-```bash
-$ helm repo add awx-operator https://ansible.github.io/awx-operator/
-"awx-operator" has been added to your repositories
-
-$ helm repo update
-Hang tight while we grab the latest from your chart repositories...
-...Successfully got an update from the "awx-operator" chart repository
-Update Complete. ⎈Happy Helming!⎈
-
-$ helm search repo awx-operator
-NAME                            CHART VERSION   APP VERSION     DESCRIPTION
-awx-operator/awx-operator       0.17.1          0.17.1          A Helm chart for the AWX Operator
-
-$ helm install -n awx --create-namespace my-awx-operator awx-operator/awx-operator
-NAME: my-awx-operator
-LAST DEPLOYED: Thu Feb 17 22:09:05 2022
-NAMESPACE: default
-STATUS: deployed
-REVISION: 1
-TEST SUITE: None
-NOTES:
-Helm Chart 0.17.1
-```

mkdocs.yml

@@ -41,7 +41,6 @@ nav:
   - Home: index.md
   - Installation:
       - installation/basic-install.md
-      - installation/helm-install-on-existing-cluster.md
       - installation/kind-install.md
       - installation/creating-a-minikube-cluster-for-testing.md
   - Migrate: