clouds3d-only cleanup: drop Vanta/three.js/clouds2d, real-sky fixes, settlement lights, dynamic location anchor

Dockerfile

@@ -6,8 +6,6 @@ COPY nord.css /usr/share/nginx/html/nord.css
 COPY config.js /usr/share/nginx/html/config.js
 COPY i18n.js /usr/share/nginx/html/i18n.js
 COPY background.html /usr/share/nginx/html/background.html
-COPY noise.png /usr/share/nginx/html/noise.png
-COPY ground.jpg /usr/share/nginx/html/ground.jpg
 COPY vendor/ /usr/share/nginx/html/vendor/
 EXPOSE 58881
 CMD ["nginx", "-g", "daemon off;"]