Document discontinued JMX support.

Author: christophstrobl

src/main/antora/modules/ROOT/assets/images/jconsole.png

@@ -57,3 +57,8 @@ static class Config extends AbstractMongoClientConfiguration {
 ----
 
 Users upgrading from prior versions may choose `BigDecimalRepresentation.STRING` as default to retain previous behaviour.
+
+== JMX Support Discontinued.
+
+We recommend switching to Spring Boot https://docs.spring.io/spring-boot/reference/actuator/endpoints.html[Actuator Endpoints].
+

src/main/antora/modules/ROOT/pages/migration-guide/migration-guide-4.x-to-5.x.adoc

@@ -3,68 +3,6 @@
 
 [NOTE]
 ====
-JMX support has been deprecated in 4.5 and will be removed in 5.0. +
+JMX support has been removed in 5.0. +
 We recommend switching to Spring Boot https://docs.spring.io/spring-boot/reference/actuator/endpoints.html[Actuator Endpoints] and expose those over JMX if needed.
 ====
-
-The JMX support for MongoDB exposes the results of running the 'serverStatus' command on the admin database for a single MongoDB server instance. It also exposes an administrative MBean, `MongoAdmin`, that lets you perform administrative operations, such as dropping or creating a database. The JMX features build upon the JMX feature set available in the Spring Framework. See link:{springDocsUrl}/integration.html#jmx[here] for more details.
-
-[[mongodb:jmx-configuration]]
-== MongoDB JMX Configuration
-
-Spring's Mongo namespace lets you enable JMX functionality, as the following example shows:
-
-.XML schema to configure MongoDB
-====
-[source,xml]
-----
-<?xml version="1.0" encoding="UTF-8"?>
-<beans xmlns="http://www.springframework.org/schema/beans"
-  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-  xmlns:context="http://www.springframework.org/schema/context"
-  xmlns:mongo="http://www.springframework.org/schema/data/mongo"
-  xsi:schemaLocation="
-    http://www.springframework.org/schema/context
-    https://www.springframework.org/schema/context/spring-context-3.0.xsd
-    http://www.springframework.org/schema/data/mongo
-    https://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd
-    http://www.springframework.org/schema/beans https://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
-
-    <!-- Default bean name is 'mongo' -->
-    <mongo:mongo-client host="localhost" port="27017"/>
-
-    <!-- by default look for a Mongo object named 'mongo' -->
-    <mongo:jmx/>
-
-    <context:mbean-export/>
-
-    <!-- To translate any MongoExceptions thrown in @Repository annotated classes -->
-    <context:annotation-config/>
-
-    <bean id="registry" class="org.springframework.remoting.rmi.RmiRegistryFactoryBean" p:port="1099" />
-
-    <!-- Expose JMX over RMI -->
-    <bean id="serverConnector" class="org.springframework.jmx.support.ConnectorServerFactoryBean"
-        depends-on="registry"
-        p:objectName="connector:name=rmi"
-        p:serviceUrl="service:jmx:rmi://localhost/jndi/rmi://localhost:1099/myconnector" />
-
-</beans>
-----
-====
-
-The preceding code exposes several MBeans:
-
-* `AssertMetrics`
-* `BackgroundFlushingMetrics`
-* `BtreeIndexCounters`
-* `ConnectionMetrics`
-* `GlobalLockMetrics`
-* `MemoryMetrics`
-* `OperationCounters`
-* `ServerInfo`
-* `MongoAdmin`
-
-The following screenshot from JConsole shows the resulting configuration:
-
-image::jconsole.png[]