Remove unnecessary Jetty secure config calls

Closes spring-projectsgh-2232

Author: philwebb

spring-boot/src/main/java/org/springframework/boot/context/embedded/jetty/JettyEmbeddedServletContainerFactory.java

@@ -495,8 +495,6 @@ private static class Jetty9SslServerConnectorFactory implements
 		public ServerConnector getConnector(Server server,
 				SslContextFactory sslContextFactory, int port) {
 			HttpConfiguration config = new HttpConfiguration();
-			config.setSecureScheme("https");
-			config.setSecurePort(port);
 			config.addCustomizer(new SecureRequestCustomizer());
 			HttpConnectionFactory connectionFactory = new HttpConnectionFactory(config);
 			SslConnectionFactory sslConnectionFactory = new SslConnectionFactory(