refactor: sanitize javadoc

twin/src/test/java/com/iluwatar/twin/BallItemTest.java

@@ -42,9 +42,8 @@ import org.junit.jupiter.api.Test;
 import org.slf4j.LoggerFactory;
 
 /**
- * Date: 12/30/15 - 18:44 PM
+ * BallItemTest
  *
- * @author Jeroen Meulemeester
  */
 class BallItemTest {
 

twin/src/test/java/com/iluwatar/twin/BallThreadTest.java

@@ -38,9 +38,8 @@ import static org.mockito.Mockito.verifyNoMoreInteractions;
 import org.junit.jupiter.api.Test;
 
 /**
- * Date: 12/30/15 - 18:55 PM
+ * BallThreadTest
  *
- * @author Jeroen Meulemeester
  */
 class BallThreadTest {