ci: Fix docgen resolution of nodeClaimSubsystem (#4379)

hack/docs/metrics_gen_docs.go

@@ -79,6 +79,10 @@ description: >
 		"These metrics are available by default at `karpenter.karpenter.svc.cluster.local:8000/metrics` configurable via the `METRICS_PORT` environment variable documented [here](../settings)\n")
 	previousSubsystem := ""
 
+	// Ignore nodeClaimSubsystem metrics until NodeClaims are released
+	allMetrics = lo.Reject(allMetrics, func(m metricInfo, _ int) bool {
+		return m.subsystem == "nodeclaims"
+	})
 	for _, metric := range allMetrics {
 		// Controller Runtime naming is different in that they don't specify a namespace or subsystem
 		// Getting the metrics requires special parsing logic
@@ -265,6 +269,7 @@ func getIdentMapping(identName string) (string, error) {
 
 		"nodeSubsystem":           "nodes",
 		"machineSubsystem":        "machines",
+		"nodeClaimSubsystem":      "nodeclaims",
 		"interruptionSubsystem":   "interruption",
 		"nodeTemplateSubsystem":   "nodetemplate",
 		"deprovisioningSubsystem": "deprovisioning",