Java to Kotlin converter: do not generate redundant parenthesis for empty constructor parameters

j2k/tests/testData/ast/newClassExpression/genericClassInvocation.kt

@@ -1,6 +1,6 @@
 import java.util.LinkedList
 
-class User() {
+class User {
     fun main() {
         val list = LinkedList<String>()
     }