pkg/start/start: Use directly HyperShift flag

The `o.HyperShift` option is not available in older release branches.
In newer branches, the option can be utilized.

Author: DavidHurta

pkg/start/start.go

@@ -350,7 +350,7 @@ func (o *Options) run(ctx context.Context, controllerCtx *Context, lock resource
 						resultChannelCount++
 						go func() {
 							defer utilruntime.HandleCrash()
-							disableMetricsAuth := o.InjectClusterIdIntoPromQL // this is wired to the "--hypershift" flag, so when hypershfit is no, we disableMetricsAuth
+							disableMetricsAuth := o.HyperShift
 							err := cvo.RunMetrics(postMainContext, shutdownContext, o.ListenAddr, o.ServingCertFile, o.ServingKeyFile, restConfig, disableMetricsAuth)
 							resultChannel <- asyncResult{name: "metrics server", error: err}
 						}()