Remove @SuppressWarnings

Fix Javadoc warning

Author: garydgregory

src/test/java/org/apache/commons/beanutils2/DynaBeanMapDecoratorTest.java

@@ -40,7 +40,6 @@
  * Test Case for the {@code DynaBeanMapDecorator} implementation class.
  * </p>
  */
-@SuppressWarnings("deprecation")
 class DynaBeanMapDecoratorTest {
 
     private static final DynaProperty stringProp = new DynaProperty("stringProp", String.class);
@@ -86,6 +85,8 @@ private <E> void checkUnmodifiable(final String desc, final Collection<E> collec
 
     /**
      * Sets up instance variables required by this test case.
+     *
+     * @throws Exception test failures.
      */
     @BeforeEach
     public void setUp() throws Exception {