cleaned up unnecessary @SuppressWarnings("unchecked")

spring-batch-samples/src/test/java/org/springframework/batch/sample/FixedLengthImportJobFunctionalTests.java

@@ -72,7 +72,6 @@ public class FixedLengthImportJobFunctionalTests extends AbstractValidatingBatch
 		fileLocator = new ClassPathResource("data/fixedLengthImportJob/input/20070122.teststream.ImportTradeDataStep.txt");
 		inputSource = new FlatFileItemReader<Trade>();
 		
-		@SuppressWarnings("unchecked")
 		FieldSetMapper<Trade> mapper = new TradeFieldSetMapper();
 		inputSource.setFieldSetMapper(mapper);
 		

spring-batch-samples/src/test/java/org/springframework/batch/sample/TradeJobFunctionalTests.java

@@ -62,7 +62,6 @@ public class TradeJobFunctionalTests extends AbstractValidatingBatchLauncherTest
 		this.simpleJdbcTemplate = new SimpleJdbcTemplate(dataSource);
 	}
 	
-	@SuppressWarnings("unchecked")
 	@Before
 	public void onSetUp() throws Exception {
 		simpleJdbcTemplate.update("delete from TRADE");