Update from upstream repositories.json

Author: w3cbot

repositories.json

@@ -16834,7 +16834,6 @@
    "login": "w3c"
   },
   "homepageUrl": "https://drafts.css-houdini.org/",
-  "description": "Mirror of https://hg.css-houdini.org/drafts",
   "isArchived": false,
   "isPrivate": false,
   "w3cjson": {