Fix quality flaw: unnecessary parentheses

Author: mpaladin

java-checks/src/main/java/org/sonar/java/checks/JunitMethodDeclarationCheck.java

@@ -58,7 +58,7 @@ public List<Tree.Kind> nodesToVisit() {
 
   @Override
   public void visitNode(Tree tree) {
-    if (isJunit3Class(((ClassTree) tree))) {
+    if (isJunit3Class((ClassTree) tree)) {
       for (Tree member : ((ClassTree) tree).members()) {
         if (member.is(Tree.Kind.METHOD)) {
           visitMethod((MethodTree) member);