data deprecations (empty constructors, non val/var arguments, vararg, superclasses) are now errors, relevant tests fixed

compiler/testData/codegen/box/classes/kt6136_2.kt

@@ -1,20 +0,0 @@
-interface Id<T> {
-    val id: T
-}
-
-data class Actor (
-        id: Int,
-        val firstName: String,
-        val lastName: String
-) : Id<Int> {
-    override val id: Int = id
-}
-
-fun box(): String {
-    val a1 = Actor(1, "Jeff", "Bridges")
-    val a1copy = a1.copy(id = a1.id)
-
-    if (a1copy.id != a1.id) return "Failed: a1copy.id==${a1copy.id}"
-
-    return "OK"
-}

compiler/testData/codegen/box/secondaryConstructors/dataClasses.kt

@@ -12,7 +12,7 @@ internal data class A1(val prop1: String) {
     fun f(): String = "$prop1#$prop2#$prop3"
 }
 
-internal data class A2 private constructor() {
+internal class A2 private constructor() {
     var prop1: String = ""
     var prop2: String = "const2"
     var prop3: String = ""