GH-9683: Remove deprecated Groovy components for Control Bus

Related to: #9683

The functionality is now fully covered by the `ControlBusCommandRegistry` API

Author: artembilan

spring-integration-groovy/src/main/java/org/springframework/integration/groovy/GroovyCommandMessageProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2024 the original author or authors.
+ * Copyright 2002-2025 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.
@@ -26,10 +26,8 @@
  */
 public class GroovyNamespaceHandler extends AbstractIntegrationNamespaceHandler {
 
-	@SuppressWarnings("removal")
 	public void init() {
 		registerBeanDefinitionParser("script", new GroovyScriptParser());
-		registerBeanDefinitionParser("control-bus", new GroovyControlBusParser());
 	}
 
 }