Remove temporary workaround for deprecations in Spring Batch

TaskExecutorJobLauncher has been improved so that its inherited
methods are no longer deprecated.

See gh-31623 and b599bfe5ac

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/batch/BasicBatchConfigurer.java

@@ -117,7 +117,6 @@ public class BasicBatchConfigurer implements BatchConfigurer, InitializingBean {
 		return factory.getObject();
 	}
 
-	@SuppressWarnings({ "deprecation", "removal" })
 	protected JobLauncher createJobLauncher() throws Exception {
 		TaskExecutorJobLauncher jobLauncher = new TaskExecutorJobLauncher();
 		jobLauncher.setJobRepository(getJobRepository());