[promises] Drop unnecessary 'deferred' label in torque.

I accidentally made a block deferred:
https://chromium-review.googlesource.com/c/v8/v8/+/1955756

Bug: chromium:1038283
Change-Id: I1603365c68ccf9c8d3040a59afeb8963f4332705
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1986185Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Joshua Litt <joshualitt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65579}

src/builtins/promise-resolve.tq

@@ -60,7 +60,7 @@ namespace promise {
       if (valueConstructor != constructor) goto NeedToAllocate;
       return value;
     }
-    label NeedToAllocate deferred {
+    label NeedToAllocate {
       if (promiseFun == constructor) {
         // This adds a fast path for native promises that don't need to
         // create NewPromiseCapability.