Revert "do use awaitall"

This reverts commit 796d17c.

spec.html

@@ -80,27 +80,6 @@ <h1><ins>AwaitWithReturn( _promise_ )</ins></h1>
   </emu-alg>
 </emu-clause>
 
-<emu-clause id="sec-awaitall" aoid="AwaitAll">
-    <h1><ins>AwaitAll( _promises_ )</ins></h1>
-    <emu-alg>
-      1. Let _resolveCapability_ be ! NewPromiseCapability(%Promise%).
-      1. Let _index_ be 0.
-      1. Let _fullfilledCount_ be 0.
-      1. Let _total_ be the length of the list _promises_.
-      1. For each Promise _promises_ in _promises_, do
-        1. Let _stepsFulfilled_ be the following steps with argument _arg_
-          1. Set _fulfilledCount_ to _fulfilledCount_ + 1.
-          1. If _fulfilledCount_ is equal to _total_, then
-            1. Perform ! Call(_resolveCapability_.[[Resolve]], *undefined*, &laquo;*undefined*&raquo;).
-        1. Let _onFulfilled_ be _CreateBuiltinFunction(_stepsFulfilled_).
-        1. Let _stepsReject_ be the following steps with argument _arg_
-          1. Perform ! Call(_resolveCapability_.[[Reject]], *undefined*, &laquo;_arg_&raquo;).
-        1. Let _onReject_ be _CreateBuiltinFunction_(_stepsReject_).
-        1. Perform ! PerformPromiseThen(_promise_, _onFulfilled_, _onRejected_).
-      1. AwaitWithReturn(_resolveCapability_.[[Promise]])).
-    </emu-alg>
-  </emu-clause>
-
 <emu-clause id="sec-performbuiltinpromisethen" aoid="PerformBuiltinPromiseThen">
   <h1><ins>PerformBuiltinPromiseThen( _builtinFunction_, _onFulfilled_, _onRejected_ )</ins></h1>
   <emu-alg>
@@ -462,7 +441,8 @@ <h1>ModuleExecution( _module_, _dependencyExecPromises_, _resolve_, _reject_ )</
       <p>This abstract operation performs the following steps:</p>
 
       <emu-alg>
-        1. <ins>Perform ? AwaitAll(_dependencyExecPromises_).</ins>
+        1. <ins>For each Promise _promise_ in _dependencyExecPromises_, do</ins>
+          1. <ins>AwaitWithReturn(_module_.[[ExecPromise]]).</ins>
         1. Let _moduleCxt_ be a new ECMAScript code execution context.
         1. Set the Function of _moduleCxt_ to *null*.
         1. Assert: _module_.[[Realm]] is not *undefined*.