Remove cert-manager from standard charts

cert-manager is not needed for NUCs or the offline development and it
is installed by LTOps for the QA and Production environments.  It is
only used for development clusters, e.g. on Rancher Desktop or
Docker Desktop

README.md

@@ -637,7 +637,7 @@ environment. (See the [Python](#python) section to create the virtual environmen
 Install the required charts by running:
 
 ```bash
-python deploy/scripts/setup_cluster.py
+python deploy/scripts/setup_cluster.py --type development
 ```
 
 `deploy/scripts/setup_cluster.py` assumes that the `kubectl` configuration file is setup to manage the desired

deploy/scripts/setup_files/cluster_config.yaml

@@ -1,6 +1,8 @@
 # Define the charts that need to be installed for each cluster type
 clusters:
   standard:
+    - nginx-ingress-controller
+  development:
     - cert-manager
     - nginx-ingress-controller
   rancher:
@@ -21,10 +23,10 @@ cert-manager:
     name: cert-manager
     reference: jetstack/cert-manager
     namespace: cert-manager
-    version: v1.15.1
+    version: v1.12.3
     wait: true
     override:
-      crds.enabled: true
+      installCRDs: true
 
 nginx-ingress-controller:
   repo: