feat!: Remove core and crds fluxtomizations and use raw helm chart to install CRs

Signed-off-by: Devin Buhl <devin@buhl.casa>

cluster/apps/system-upgrade/kustomization.yaml

@@ -3,4 +3,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - namespace.yaml
+  # renovate: datasource=docker image=rancher/system-upgrade-controller
+  - https://github.com/rancher/system-upgrade-controller/releases/download/v0.9.1/crd.yaml
   - system-upgrade-controller
+  - kured