Cleanup unnecessary struct specialization

ObjectData<WGPUQueue> was specialized to do exactly the same
as the existing default template. Remove it.

Change-Id: I391d032addcc192854d13764327816342aa7ab86
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92780
Auto-Submit: Austin Eng <enga@chromium.org>
Reviewed-by: Loko Kung <lokokung@google.com>
Commit-Queue: Austin Eng <enga@chromium.org>
Commit-Queue: Loko Kung <lokokung@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

src/dawn/wire/server/ObjectStorage.h

@@ -73,9 +73,6 @@ struct ObjectData<WGPUDevice> : public ObjectDataBase<WGPUDevice> {
     std::unique_ptr<DeviceInfo> info = std::make_unique<DeviceInfo>();
 };
 
-template <>
-struct ObjectData<WGPUQueue> : public ObjectDataBase<WGPUQueue> {};
-
 // Keeps track of the mapping between client IDs and backend objects.
 template <typename T>
 class KnownObjectsBase {