Reland "Remove wgpu::CreatePipelineAsyncStatus::Error"

This is a reland of commit 9fafbc0a9e

Original change's description:
> Remove wgpu::CreatePipelineAsyncStatus::Error
>
> It is no longer used in Chromium and the ::ValidationError and
> ::InternalError should be used instead.
>
> Fixed: chromium:1404422
> Change-Id: I7ecb1e23cfedc8f16f91431ac8b9ec8a9bbf2933
> Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/119461
> Kokoro: Kokoro <noreply+kokoro@google.com>
> Reviewed-by: Austin Eng <enga@chromium.org>
> Commit-Queue: Corentin Wallez <cwallez@chromium.org>
> Auto-Submit: Corentin Wallez <cwallez@chromium.org>

Change-Id: I1f6a7d858709babb99f3546273d17f5f58029612
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/120383
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>

dawn.json

@@ -975,8 +975,7 @@
             {"value": 2, "name": "internal error"},
             {"value": 3, "name": "device lost"},
             {"value": 4, "name": "device destroyed"},
-            {"value": 5, "name": "unknown"},
-            {"value": 6, "name": "error"}
+            {"value": 5, "name": "unknown"}
         ]
     },
     "create render pipeline async callback": {