message: dawn.json: Removed unused "face" bitmask
  It was replaced by "cull mode" but we forgot to remove it.
diff: {"name": "depth", "type": "uint32_t"}
  ]
  },
  - "face": {
  - "category": "bitmask",
  - "values": [
  - {"value": 0, "name": "none"},
  - {"value": 1, "name": "back"},
  - {"value": 2, "name": "front"},
  - {"value": 3, "name": "both"}
  - ]
  - },
  "fence": {
  "category": "object",
  "methods": [
  