Merge boxWithStdlib testData into box, delete BoxWithStdlib test

compiler/testData/codegen/box/reflection/noReflectAtRuntime/methodsFromAny/classReference.kt

@@ -0,0 +1,24 @@
+// WITH_RUNTIME
+
+import kotlin.reflect.KClass
+import kotlin.test.*
+
+class M
+
+fun check(x: KClass<*>) {
+    assertEquals(x, x.java.kotlin)
+    assertEquals(x.hashCode(), x.java.kotlin.hashCode())
+    assertEquals(x.java.toString() + " (Kotlin reflection is not available)", x.toString())
+}
+
+fun box(): String {
+    check(M::class)
+    check(String::class)
+    check(Error::class)
+    check(Int::class)
+    check(java.lang.Integer::class)
+    check(MutableList::class)
+    check(Array<String>::class)
+
+    return "OK"
+}