refactor(street-level): drop openNearest; QA opens a photo by clicking a line then a cone

Co-Authored-By: Claude Opus 5.5 <[email protected]>

src/layers/streetLevel/providers/mapillary/source.js

@@ -1,8 +1,5 @@
 import {
-  IMAGE_FIELDS,
   MAPILLARY_GRAPH_HOST,
-  NEAREST_LIMIT,
-  NEAREST_RADIUS_M,
   SEQUENCE_IMAGE_FIELDS,
   SEQUENCE_IMAGES_LIMIT,
 } from './policy.js';
@@ -126,23 +123,5 @@ export function createMapillarySource({
       );
       return Array.isArray(payload?.data) ? payload.data : [];
     },
-
-    async nearestImages(
-      { lat, lon, radius = NEAREST_RADIUS_M, limit = NEAREST_LIMIT },
-      { signal } = {},
-    ) {
-      const payload = await graph(
-        'images',
-        {
-          lat: String(lat),
-          lng: String(lon),
-          radius: String(Math.min(50, Math.max(1, radius))),
-          limit: String(Math.min(100, Math.max(1, limit))),
-          fields: IMAGE_FIELDS,
-        },
-        { signal },
-      );
-      return Array.isArray(payload?.data) ? payload.data : [];
-    },
   };
 }