Doc Polishing

- remove discussion about `@RabbitListeners`; pre java-8 is no longer supported.

Author: garyrussell

spring-rabbit/src/test/java/org/springframework/amqp/rabbit/annotation/AbstractRabbitAnnotationDrivenTests.java

@@ -323,20 +323,16 @@ public void defaultHandle(@Validated String msg) {
 	@Component
 	static class RabbitListenersBean {
 
-		@RabbitListeners({
-				@RabbitListener(id = "first", queues = "myQueue"),
-				@RabbitListener(id = "second", queues = "anotherQueue")
-		})
+		@RabbitListener(id = "first", queues = "myQueue")
+		@RabbitListener(id = "second", queues = "anotherQueue")
 		public void repeatableHandle(String msg) {
 		}
 
 	}
 
 	@Component
-	@RabbitListeners({
-		@RabbitListener(id = "third", queues = "class1"),
-		@RabbitListener(id = "fourth", queues = "class2")
-	})
+	@RabbitListener(id = "third", queues = "class1")
+	@RabbitListener(id = "fourth", queues = "class2")
 	static class ClassLevelListenersBean {
 
 		@RabbitHandler

src/reference/asciidoc/amqp.adoc

@@ -2851,7 +2851,6 @@ This means that the annotation can appear on the same annotated element (method
 In this case, a separate listener container is created for each annotation, each of which invokes the same listener
 `@Bean`.
 Repeatable annotations can be used with Java 8 or above.
-When using Java 7 or earlier, you can achieve the same effect by using the `@RabbitListeners` "`container`" annotation, with an array of `@RabbitListener` annotations.
 
 ====== Proxy `@RabbitListener` and Generics