Remove indirection for colorAttachments

This is to match the work in progress webgpu.h header.

BUG=dawn:22

Change-Id: I1371cda1b7666de8eb8283fa7e5da935d17e1d52
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/9381
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
diff --git a/dawn.json b/dawn.json
index c20a4c8..7fe8cfe 100644
--- a/dawn.json
+++ b/dawn.json
@@ -929,7 +929,7 @@
         "category": "structure",
         "members": [
             {"name": "color attachment count", "type": "uint32_t"},
-            {"name": "color attachments", "type": "render pass color attachment descriptor", "annotation": "const*const*", "length": "color attachment count"},
+            {"name": "color attachments", "type": "render pass color attachment descriptor", "annotation": "const*", "length": "color attachment count"},
             {"name": "depth stencil attachment", "type": "render pass depth stencil attachment descriptor", "annotation": "const*", "optional": true}
         ]
     },