Perform clean code of build/org.eclipse.pde.build.tests

Author: eclipse-pde-bot

build/org.eclipse.pde.build.tests/src/org/eclipse/pde/build/internal/tests/ant/AntUtils.java

@@ -47,8 +47,7 @@ static public Object getFirstChildByName(Target target, String name) {
 		Task[] tasks = target.getTasks();
 		for (Task task2 : tasks) {
 			if (task2.getTaskName().equals(name)) {
-				if (task2 instanceof UnknownElement) {
-					UnknownElement task = (UnknownElement) task2;
+				if (task2 instanceof UnknownElement task) {
 					task.maybeConfigure();
 					return task.getRealThing();
 				}
@@ -65,8 +64,7 @@ static public Object[] getChildrenByName(Target target, String name) {
 		Task[] tasks = target.getTasks();
 		for (Task task2 : tasks) {
 			if (task2.getTaskName().equals(name)) {
-				if (task2 instanceof UnknownElement) {
-					UnknownElement task = (UnknownElement) task2;
+				if (task2 instanceof UnknownElement task) {
 					task.maybeConfigure();
 					list.add(task.getRealThing());
 				} else {