remove insertable marker logic for now

website/package.json

@@ -46,7 +46,6 @@
         "chart.js": "^4.4.2",
         "clsx": "^2.1.0",
         "gpx": "file:../gpx",
-        "kdbush": "^4.0.2",
         "lucide-svelte": "^0.365.0",
         "mapbox-gl": "^3.2.0",
         "sortablejs": "^1.15.2",