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

j2k/tests/testData/ast/list/ForEach.kt

@@ -1,6 +1,6 @@
 import java.util.*
 
-public class ForEach() {
+public class ForEach {
     public fun test() {
         val xs = ArrayList<Any>()
         val ys = LinkedList<Any>()

j2k/tests/testData/ast/list/Lists.kt

@@ -1,6 +1,6 @@
 import java.util.*
 
-public class Lists() {
+public class Lists {
     public fun test() {
         val xs = ArrayList<Any>()
         val ys = LinkedList<Any>()