Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/reflection/kClassInAnnotation/basic.kt

@@ -0,0 +1,15 @@
+// WITH_REFLECT
+
+import kotlin.reflect.KClass
+
+@Retention(AnnotationRetention.RUNTIME)
+annotation class Ann(val arg: KClass<*>)
+
+class OK
+
+@Ann(OK::class) class MyClass
+
+fun box(): String {
+    val argName = MyClass::class.java.getAnnotation(Ann::class.java).arg.simpleName ?: "fail 1"
+    return argName
+}