Drop JDO support

Issue: SPR-14130

spring-tx/src/main/java/org/springframework/dao/support/PersistenceExceptionTranslator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -20,7 +20,7 @@ import org.springframework.dao.DataAccessException;
 
 /**
  * Interface implemented by Spring integrations with data access technologies
- * that throw runtime exceptions, such as JPA, TopLink, JDO and Hibernate.
+ * that throw runtime exceptions, such as JPA and Hibernate.
  *
  * <p>This allows consistent usage of combined exception translation functionality,
  * without forcing a single translator to understand every single possible type

spring-tx/src/main/java/org/springframework/jca/support/LocalConnectionFactoryBean.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2012 the original author or authors.
+ * Copyright 2002-2016 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.
@@ -83,8 +83,8 @@ public class LocalConnectionFactoryBean implements FactoryBean<Object>, Initiali
 	 * <p>The ManagerConnectionFactory will usually be set up as separate bean
 	 * (potentially as inner bean), populated with JavaBean properties:
 	 * a ManagerConnectionFactory is encouraged to follow the JavaBean pattern
-	 * by the JCA specification, analogous to a JDBC DataSource and a JDO
-	 * PersistenceManagerFactory.
+	 * by the JCA specification, analogous to a JDBC DataSource and a JPA
+	 * EntityManagerFactory.
 	 * <p>Note that the ManagerConnectionFactory implementation might expect
 	 * a reference to its JCA 1.5 ResourceAdapter, expressed through the
 	 * {@link javax.resource.spi.ResourceAdapterAssociation} interface.