[promises] Remove one runtime call to create_resolving_functions

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index b0139a70a68e4fc4f32bdf94c4833cc233087986..abb519eea29ee6d016721784aa882a3459ce7ed0 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -3257,9 +3257,8 @@ void Isolate::RunMicrotasksInternal() {
         if (microtask->IsJSFunction()) {
           context = Handle<JSFunction>::cast(microtask)->context();
         } else if (microtask->IsPromiseResolveThenableJobInfo()) {
-          context = Handle<PromiseResolveThenableJobInfo>::cast(microtask)
-                        ->resolve()
-                        ->context();
+          context =
+              Handle<PromiseResolveThenableJobInfo>::cast(microtask)->context();
         } else {
           context = Handle<PromiseReactionJobInfo>::cast(microtask)->context();
         }