Move some tests from boxWithStdlib/ to box/

Move those tests which do not require neither stdlib nor reflect

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

@@ -0,0 +1,8 @@
+data class A(var x: Int, val z: Int)
+
+fun box(): String {
+    val a = A(1, 3)
+    if (a.component1() != 1) return "Fail: ${a.component1()}"
+    if (a.component2() != 3) return "Fail: ${a.component2()}"
+    return "OK"
+}