[JAVA-2306] Moved articles from spring-persistence-simple

* https://www.baeldung.com/the-persistence-layer-with-spring-and-jpa went into spring-jpa-2

* https://www.baeldung.com/hibernate-5-spring went to spring-jpa-2

* https://www.baeldung.com/transaction-configuration-with-jpa-and-spring went to spring-jpa-2

* https://www.baeldung.com/persistence-layer-with-spring-and-hibernate went to spring-jpa-2

* https://www.baeldung.com/simplifying-the-data-access-layer-with-spring-and-java-generics went to spring-jpa-2

* https://www.baeldung.com/the-persistence-layer-with-spring-data-jpa went to spring-data-jpa-repo-2

* https://www.baeldung.com/spring-data-jpa-query went to spring-data-jpa-query-2

* https://www.baeldung.com/spring-jdbc-jdbctemplate moved to spring-jdbc

* Removed spring-persistence-simple module as all articles have been moved

persistence-modules/spring-jpa/src/main/java/com/baeldung/spring/jdbc/autogenkey/config/PersistenceConfig.java

@@ -1,4 +1,4 @@
-package com.baeldung.jdbc.autogenkey.config;
+package com.baeldung.spring.jdbc.autogenkey.config;
 
 import javax.sql.DataSource;
 

persistence-modules/spring-jpa/src/main/java/com/baeldung/spring/jdbc/autogenkey/repository/MessageRepositoryJDBCTemplate.java

@@ -1,4 +1,4 @@
-package com.baeldung.jdbc.autogenkey.repository;
+package com.baeldung.spring.jdbc.autogenkey.repository;
 
 import java.sql.PreparedStatement;
 

persistence-modules/spring-jpa/src/main/java/com/baeldung/spring/jdbc/autogenkey/repository/MessageRepositorySimpleJDBCInsert.java

@@ -1,4 +1,4 @@
-package com.baeldung.jdbc.autogenkey.repository;
+package com.baeldung.spring.jdbc.autogenkey.repository;
 
 import java.util.HashMap;
 import java.util.Map;