[promises] Remove unused runtime calls

R=adamk@chromium.org, littledan@chromium.org

BUG=v8:5343

Review-Url: https://codereview.chromium.org/2609853004
Cr-Commit-Position: refs/heads/master@{#42069}

src/runtime/runtime-promise.cc

@@ -280,44 +280,6 @@ RUNTIME_FUNCTION(Runtime_PromiseResult) {
   return promise->result();
 }
 
-RUNTIME_FUNCTION(Runtime_PromiseDeferred) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0);
-
-  Handle<Object> deferred(promise->deferred_promise(), isolate);
-  if (deferred->IsUndefined(isolate)) {
-    return isolate->heap()->undefined_value();
-  }
-
-  if (deferred->IsJSObject()) {
-    return *deferred;
-  }
-
-  DCHECK(deferred->IsFixedArray());
-  return *isolate->factory()->NewJSArrayWithElements(
-      Handle<FixedArray>::cast(deferred));
-}
-
-RUNTIME_FUNCTION(Runtime_PromiseRejectReactions) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0);
-
-  Handle<Object> reject_reactions(promise->reject_reactions(), isolate);
-  if (reject_reactions->IsUndefined(isolate)) {
-    return isolate->heap()->undefined_value();
-  }
-
-  if (reject_reactions->IsJSObject()) {
-    return *reject_reactions;
-  }
-
-  DCHECK(reject_reactions->IsFixedArray());
-  return *isolate->factory()->NewJSArrayWithElements(
-      Handle<FixedArray>::cast(reject_reactions));
-}
-
 RUNTIME_FUNCTION(Runtime_PromiseMarkAsHandled) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);

src/runtime/runtime.h

@@ -305,7 +305,6 @@ namespace internal {
   F(NewSyntaxError, 2, 1)                           \
   F(NewTypeError, 2, 1)                             \
   F(OrdinaryHasInstance, 2, 1)                      \
-  F(PromiseDeferred, 1, 1)                          \
   F(PromiseReject, 3, 1)                            \
   F(PromiseFulfill, 3, 1)                           \
   F(PromiseHookInit, 2, 1)                          \
@@ -315,7 +314,6 @@ namespace internal {
   F(PromiseMarkAsHandled, 1, 1)                     \
   F(PromiseMarkHandledHint, 1, 1)                   \
   F(PromiseRejectEventFromStack, 2, 1)              \
-  F(PromiseRejectReactions, 1, 1)                   \
   F(PromiseRevokeReject, 1, 1)                      \
   F(PromiseResult, 1, 1)                            \
   F(PromiseStatus, 1, 1)                            \