Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/reflection/classLiterals/arrays.kt

@@ -0,0 +1,14 @@
+// WITH_REFLECT
+
+import kotlin.test.*
+import kotlin.reflect.KClass
+
+fun box(): String {
+    val any = Array<Any>::class
+    val string = Array<String>::class
+
+    assertNotEquals<KClass<*>>(any, string)
+    assertNotEquals<Class<*>>(any.java, string.java)
+
+    return "OK"
+}