Minor. Revert workarounds for problem on KClass from annotation

See KT-9453 for clarification

compiler/testData/codegen/box/reflection/createAnnotation/callKotlin.kt

@@ -32,7 +32,7 @@ fun box(): String {
     }
 
     val k = create<TwoNonDefaults>("OK", Int::class)
-    assertEquals(Int::class, k.klass as KClass<*> /* TODO: KT-9453 */)
+    assertEquals(Int::class, k.klass)
 
     return k.string
 }