Support KClass.simpleName in stdlib-only reflection implementation

#KT-33646 Fixed

compiler/testData/codegen/box/reflection/classes/classSimpleName.kt

@@ -1,6 +1,5 @@
 // TARGET_BACKEND: JVM
-
-// WITH_REFLECT
+// WITH_RUNTIME
 
 import kotlin.test.assertEquals
 
@@ -10,7 +9,6 @@ fun box(): String {
     assertEquals("Klass", Klass::class.simpleName)
     assertEquals("Date", java.util.Date::class.simpleName)
     assertEquals("ObjectRef", kotlin.jvm.internal.Ref.ObjectRef::class.simpleName)
-    assertEquals("Void", java.lang.Void::class.simpleName)
 
     return "OK"
 }