Editorial: consistently use NormalCompletion (#3414)

spec.html

@@ -24161,7 +24161,7 @@ <h1>Runtime Semantics: Evaluation</h1>
               1. Else, set _received_ to Completion(GeneratorYield(_innerResult_)).
             1. Else,
               1. NOTE: If _iterator_ does not have a `throw` method, this throw is going to terminate the `yield*` loop. But first we need to give _iterator_ a chance to clean up.
-              1. Let _closeCompletion_ be Completion Record { [[Type]]: ~normal~, [[Value]]: ~empty~, [[Target]]: ~empty~ }.
+              1. Let _closeCompletion_ be NormalCompletion(~empty~).
               1. If _generatorKind_ is ~async~, perform ? AsyncIteratorClose(_iteratorRecord_, _closeCompletion_).
               1. Else, perform ? IteratorClose(_iteratorRecord_, _closeCompletion_).
               1. NOTE: The next step throws a *TypeError* to indicate that there was a `yield*` protocol violation: _iterator_ does not have a `throw` method.