Update README.md (#18322)

Author: dkapil

persistence-modules/core-java-persistence-4/README.md

@@ -2,6 +2,5 @@
 - [Introduction to the JDBC RowSet Interface in Java](http://www.baeldung.com/java-jdbc-rowset)
 - [Types of SQL Joins with Java Examples](https://www.baeldung.com/sql-joins)
 - [Returning the Generated Keys in JDBC](https://www.baeldung.com/jdbc-returning-generated-keys)
-- [Loading JDBC Drivers](https://www.baeldung.com/java-jdbc-loading-drivers)
 - [Extracting Database Metadata Using JDBC](https://www.baeldung.com/jdbc-database-metadata)
-- More articles: [[<-- prev]](/persistence-modules/core-java-persistence-3)
+- More articles: [[<-- prev]](/persistence-modules/core-java-persistence-3)