Remove duplicate words

Closes gh-1039

spring-jms/src/main/java/org/springframework/jms/annotation/EnableJms.java

@@ -108,7 +108,7 @@ import org.springframework.context.annotation.Import;
  * <p>Annotated methods can use flexible signature; in particular, it is possible to use
  * the {@link org.springframework.messaging.Message Message} abstraction and related annotations,
  * see {@link JmsListener} Javadoc for more details. For instance, the following would
- * inject the content of the message and a a custom "myCounter" JMS header:
+ * inject the content of the message and a custom "myCounter" JMS header:
  *
  * <pre class="code">
  * &#064;JmsListener(containerFactory = "myJmsListenerContainerFactory", destination="myQueue")

spring-jms/src/main/java/org/springframework/jms/connection/SessionProxy.java

@@ -20,7 +20,7 @@ import javax.jms.Session;
 
 /**
  * Subinterface of {@link javax.jms.Session} to be implemented by
- * Session proxies. Allows access to the the underlying target Session.
+ * Session proxies. Allows access to the underlying target Session.
  *
  * @author Juergen Hoeller
  * @since 2.0.4

spring-jms/src/main/java/org/springframework/jms/support/JmsAccessor.java

@@ -125,7 +125,7 @@ public abstract class JmsAccessor implements InitializingBean {
 	 * {@link Session} to send a message.
 	 * <p>Default is {@link Session#AUTO_ACKNOWLEDGE}.
 	 * <p>Vendor-specific extensions to the acknowledgment mode can be set here as well.
-	 * <p>Note that that inside an EJB, the parameters to the
+	 * <p>Note that inside an EJB, the parameters to the
 	 * {@code create(Queue/Topic)Session(boolean transacted, int acknowledgeMode)} method
 	 * are not taken into account. Depending on the transaction context in the EJB,
 	 * the container makes its own decisions on these values. See section 17.3.5