Reduce need for bean method proxying and disable where not needed

Closes gh-9068

spring-boot-samples/spring-boot-sample-actuator-custom-security/src/main/java/sample/actuator/customsecurity/SecurityConfiguration.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2018 the original author or authors.
+ * Copyright 2012-2019 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -26,7 +26,7 @@ import org.springframework.security.config.annotation.web.configuration.WebSecur
 import org.springframework.security.core.userdetails.User;
 import org.springframework.security.provisioning.InMemoryUserDetailsManager;
 
-@Configuration
+@Configuration(proxyBeanMethods = false)
 public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
 
 	@SuppressWarnings("deprecation")