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

j2k/tests/testData/ast/nullability/OverrideWithInheritanceLoop.kt

@@ -1,9 +1,9 @@
-class A() : B() {
+class A : B() {
     public fun foo(s: String) {
     }
 }
 
-class B() : A() {
+class B : A() {
     public fun foo(s: String) {
     }
 }