chore(clustertool): tweak upgrade plan for Talos

Signed-off-by: Kjeld Schouten <info@kjeldschouten.nl>

clustertool/embed/generic/kubernetes/core/system-upgrade-controller-plans/app/talos.yaml

@@ -29,17 +29,6 @@ spec:
     - key: node-role.kubernetes.io/control-plane
       operator: Exists
       effect: NoSchedule
-  prepare:
-    image: ghcr.io/siderolabs/talosctl:${TALOS_VERSION}
-    envs:
-      - name: NODE_IP
-        valueFrom:
-          fieldRef:
-            fieldPath: status.hostIP
-    args:
-      - --nodes=$(NODE_IP)
-      - health
-      - --server=false
   upgrade:
     image: ghcr.io/jfroy/tnu:0.3.0
     envs:
@@ -50,6 +39,7 @@ spec:
     args:
       - --node=$(NODE)
       - --tag=$(SYSTEM_UPGRADE_PLAN_LATEST_VERSION)
-      - --powercycle
+      ## Reenable if your setup REALLY needs full reboots
+      # - --powercycle