Removed empty () for annotation without parameters

src/delombok/lombok/delombok/PrettyCommentsPrinter.java

@@ -1358,9 +1358,11 @@ public class PrettyCommentsPrinter extends JCTree.Visitor {
         try {
             print("@");
             printExpr(tree.annotationType);
-            print("(");
-            printExprs(tree.args);
-            print(")");
+            if (tree.args.nonEmpty()) {
+	            print("(");
+	            printExprs(tree.args);
+	            print(")");
+            }
         } catch (IOException e) {
             throw new UncheckedIOException(e);
         }

test/delombok/resource/after/Annotation.java

@@ -0,0 +1,7 @@
+@SuppressWarnings("all")
+class Annotation {
+	@Override
+	public String toString() {
+		return super.toString();
+	}
+}

test/delombok/resource/before/Annotation.java

@@ -0,0 +1,7 @@
+@SuppressWarnings("all")
+class Annotation {
+	@Override
+	public String toString() {
+		return super.toString();
+	}
+}