Remove unnecessary HelloWorld config field

cmd/cloudflare-warp/main.go

@@ -398,7 +398,6 @@ func startServer(c *cli.Context) {
 		errC <- warp.StartServer(warp.ServerConfig{
 			Hostname:   c.String("hostname"),
 			ServerURL:  validURL,
-			HelloWorld: c.IsSet("hello-world"),
 			Tags:       tags,
 			OriginCert: c.String("origincert"),
 

warp/server.go

@@ -130,15 +130,10 @@ type ServerConfig struct {
 	// Required.
 	Hostname string
 
-	// The URL of the local web server. If empty (if there
-	// is no server), set HelloWorld to true for a demo.
+	// The URL of the local web server.
 	// Required.
 	ServerURL string
 
-	// If true, use the established tunnel to expose a
-	// test HTTP server. If false, ServerURL must be set.
-	HelloWorld bool
-
 	// The tunnel ID; leave blank to use a random ID.
 	ClientID string