chore(logo): use default logo (nodejs#7910)

Author: avivkeller

apps/site/site.json

@@ -3,7 +3,6 @@
   "description": "Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.",
   "favicon": "/static/images/favicons/favicon.png",
   "accentColor": "#333",
-  "logoVariant": "pride",
   "twitter": {
     "username": "@nodejs",
     "card": "summary",