Update cleanup.sh

Author: niallthomson

manifests/modules/autoscaling/workloads/keda/.workshop/cleanup.sh

@@ -3,8 +3,8 @@
 set -e
 
 kubectl delete pod load-generator --ignore-not-found
-kubectl delete scaledobject ui-hpa -n ui --ignore-not-found
+delete-all-if-crd-exists scaledobjects.keda.sh
 kubectl delete ingress ui -n ui --ignore-not-found
 
 uninstall-helm-chart keda keda
-kubectl delete ns keda --ignore-not-found
+kubectl delete ns keda --ignore-not-found