Use @ManagementContextConfiguration consistently

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/endpoint/web/ServletEndpointManagementContextConfiguration.java

@@ -41,7 +41,7 @@ import org.springframework.web.servlet.DispatcherServlet;
  * @author Madhura Bhave
  * @since 2.0.0
  */
-@Configuration
+@ManagementContextConfiguration
 @ConditionalOnWebApplication(type = Type.SERVLET)
 public class ServletEndpointManagementContextConfiguration {
 

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/endpoint/web/jersey/JerseyWebEndpointManagementContextConfiguration.java

@@ -42,7 +42,6 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplicat
 import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication.Type;
 import org.springframework.boot.autoconfigure.jersey.ResourceConfigCustomizer;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Configuration;
 
 /**
  * {@link ManagementContextConfiguration} for Jersey {@link Endpoint} concerns.
@@ -50,7 +49,7 @@ import org.springframework.context.annotation.Configuration;
  * @author Andy Wilkinson
  * @author Phillip Webb
  */
-@Configuration
+@ManagementContextConfiguration
 @ConditionalOnWebApplication(type = Type.SERVLET)
 @ConditionalOnClass(ResourceConfig.class)
 @ConditionalOnBean({ ResourceConfig.class, WebEndpointsSupplier.class })

spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/servlet/ServletManagementChildContextConfiguration.java

@@ -59,7 +59,6 @@ import org.springframework.security.config.annotation.web.configuration.EnableWe
  * @author Eddú Meléndez
  * @author Phillip Webb
  */
-@Configuration
 @ManagementContextConfiguration(ManagementContextType.CHILD)
 @ConditionalOnWebApplication(type = Type.SERVLET)
 class ServletManagementChildContextConfiguration {