Fix more pmd_analyze issues.

Author: phipag

powertools-e2e-tests/src/test/java/software/amazon/lambda/powertools/BatchE2ET.java

@@ -269,14 +269,9 @@ private boolean areAllTestProductsPresent(ScanResponse items) {
 
     class Product {
         private long id;
-
         private String name;
-
         private double price;
 
-        public Product() {
-        }
-
         public Product(long id, String name, double price) {
             this.id = id;
             this.name = name;

powertools-e2e-tests/src/test/java/software/amazon/lambda/powertools/testutils/RetryUtils.java

@@ -26,7 +26,7 @@
 /**
  * Utility class for consistent retry configuration across all test utilities.
  */
-public class RetryUtils {
+public final class RetryUtils {
     private static final Logger LOG = LoggerFactory.getLogger(RetryUtils.class);
 
     private static final RetryConfig DEFAULT_RETRY_CONFIG = RetryConfig.custom()