Deprecate DataSourceInitializer

Author: fmbenhassine

spring-batch-test/src/main/java/org/springframework/batch/test/DataSourceInitializer.java

@@ -56,8 +56,11 @@
  * @author Dave Syer
  * @author Drummond Dawson
  * @author Mahmoud Ben Hassine
+ * @deprecated since 5.0 in favor of similar utilities provided by Spring Framework.
+ * Scheduled for removal in 5.2.
  *
  */
+@Deprecated(since = "5.0", forRemoval = true)
 public class DataSourceInitializer implements InitializingBean, DisposableBean {
 
 	private static final Log logger = LogFactory.getLog(DataSourceInitializer.class);