fix unparam issue

cmd/otel-allocator/main.go

@@ -97,10 +97,7 @@ func main() {
 		os.Exit(1)
 	}
 
-	srv, err := newServer(log, allocator, discoveryManager, k8sclient, cliConf.ListenAddr)
-	if err != nil {
-		setupLog.Error(err, "Can't start the server")
-	}
+	srv := newServer(log, allocator, discoveryManager, k8sclient, cliConf.ListenAddr)
 
 	interrupts := make(chan os.Signal, 1)
 	signal.Notify(interrupts, os.Interrupt, syscall.SIGTERM)
@@ -128,10 +125,7 @@ func main() {
 				if err := srv.Shutdown(ctx); err != nil {
 					setupLog.Error(err, "Cannot shutdown the server")
 				}
-				srv, err = newServer(log, allocator, discoveryManager, k8sclient, cliConf.ListenAddr)
-				if err != nil {
-					setupLog.Error(err, "Error restarting the server with new config")
-				}
+				srv = newServer(log, allocator, discoveryManager, k8sclient, cliConf.ListenAddr)
 				go func() {
 					if err := srv.Start(); err != http.ErrServerClosed {
 						setupLog.Error(err, "Can't restart the server")
@@ -163,7 +157,7 @@ type server struct {
 	server           *http.Server
 }
 
-func newServer(log logr.Logger, allocator allocation.Allocator, discoveryManager *lbdiscovery.Manager, k8sclient *collector.Client, listenAddr *string) (*server, error) {
+func newServer(log logr.Logger, allocator allocation.Allocator, discoveryManager *lbdiscovery.Manager, k8sclient *collector.Client, listenAddr *string) *server {
 	s := &server{
 		logger:           log,
 		allocator:        allocator,
@@ -176,7 +170,7 @@ func newServer(log logr.Logger, allocator allocation.Allocator, discoveryManager
 	router.HandleFunc("/jobs/{job_id}/targets", s.TargetsHandler).Methods("GET")
 	router.Path("/metrics").Handler(promhttp.Handler())
 	s.server = &http.Server{Addr: *listenAddr, Handler: router, ReadHeaderTimeout: 90 * time.Second}
-	return s, nil
+	return s
 }
 
 func configureFileDiscovery(log logr.Logger, allocator allocation.Allocator, discoveryManager *lbdiscovery.Manager, ctx context.Context, cliConfig config.CLIConfig) (*collector.Client, error) {