Align with changes in latest Integration snapshots

See gh-22729

Author: wilkinsona

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/integration/IntegrationAutoConfiguration.java

@@ -118,7 +118,7 @@ public IntegrationMBeanExporter integrationMbeanExporter(BeanFactory beanFactory
 	protected static class IntegrationManagementConfiguration {
 
 		@Configuration(proxyBeanMethods = false)
-		@EnableIntegrationManagement(defaultCountsEnabled = "true")
+		@EnableIntegrationManagement
 		protected static class EnableIntegrationManagementConfiguration {
 
 		}

spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/integration/IntegrationAutoConfigurationTests.java

@@ -194,14 +194,6 @@ void integrationJdbcDataSourceInitializerEnabledByDefaultWithEmbeddedDb() {
 				});
 	}
 
-	@Test
-	void integrationEnablesDefaultCounts() {
-		this.contextRunner.withUserConfiguration(MessageSourceConfiguration.class).run((context) -> {
-			assertThat(context).hasBean("myMessageSource");
-			assertThat(((MessageProcessorMessageSource) context.getBean("myMessageSource")).isCountsEnabled()).isTrue();
-		});
-	}
-
 	@Test
 	void rsocketSupportEnabled() {
 		this.contextRunner.withUserConfiguration(RSocketServerConfiguration.class)