fix: leftover code for multiple api routes

gw2-ui/src/gw2api/cache.ts

@@ -230,21 +230,6 @@ export default class APICache<T extends { id: Id }> {
         this.language;
       const res = await fetch(url, FETCH_OPTIONS);
 
-      if (res.status === 503) {
-        api_route.is_available = false;
-        if (api_routes.find(({ is_available }) => is_available)) {
-          // If an API route is unavailable, back out and retry the same ids on an alternative route
-          console.warn(
-            `The ${api_route.name} is unavailable; switching API routes`,
-          );
-          for (const id of ids) {
-            this.fetched_ids.delete(id);
-          }
-          this.requests_inflight--;
-          this.tryFetch();
-          return;
-        }
-      }
       if (res.status === 404) {
         // 404 usually means that none of the passed ids are known, which is equivalent to an empty response
         response = [];