[promises] Remove extra PromiseInit in InternalPromiseThen

src/builtins/builtins-promise.cc

Index: src/builtins/builtins-promise.cc
diff --git a/src/builtins/builtins-promise.cc b/src/builtins/builtins-promise.cc
index bbe54419afa5c129a35a457720cc59880bdd7a02..88730bf43629a45e94f779980e41d34574dea52e 100644
--- a/src/builtins/builtins-promise.cc
+++ b/src/builtins/builtins-promise.cc
@@ -225,7 +225,6 @@ Node* PromiseBuiltinsAssembler::InternalPromiseThen(Node* context,
   Bind(&fast_promise_capability);
   {
     Node* const deferred_promise = AllocateAndInitPromise(context, promise);
-    PromiseInit(deferred_promise);
     var_deferred_promise.Bind(deferred_promise);
     var_deferred_on_resolve.Bind(UndefinedConstant());
     var_deferred_on_reject.Bind(UndefinedConstant());