Update for new setting to disable image puller.

Author: GrahamDumpleton

workshops/lab-installing-educates/workshop/content/00-workshop-overview.md

@@ -23,10 +23,12 @@ text: |
     imageRegistry:
         host: registry.default.svc.cluster.local
 
-    #imagePuller:
-    #    prePullImages: []
+    imagePuller:
+        enabled: false
 ```
 
+Should be able to get rid of provider option but CLI not defaulting to custom right now.
+
 ```terminal:execute
 command: educates admin cluster install --config config.yaml --provider=custom
 ```