fix(InteractionOutput): don't require schema.type in value function

Author: JKRhb

index.html

@@ -976,8 +976,8 @@ <h2>The <dfn>InteractionOutput</dfn> interface</h2>
         </li>
         <li>
           If |this|.|data| is not a {{ReadableStream}} or if
-          |dataUsed| is `true`, or if |form| is not an {{object}} or if |schema| or its
-          |type| are `null` or `undefined`, then
+          |dataUsed| is `true`, or if |form| is not an {{object}} or if |schema|
+          is `null` or `undefined`, then
           [=reject=] |promise| with {{NotReadableError}} and stop.
         </li>
         <li>