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

j2k/tests/testData/ast/thisExpression/classAdotThisFoo.kt

@@ -1,12 +1,12 @@
 package a.b
 
-class Base() {
+class Base {
     fun foo() {
     }
 }
 
-class A() : Base() {
-    inner class C() {
+class A : Base() {
+    inner class C {
         fun test() {
             this@A.foo()
         }