Remove indexer from hints, add indexBy

packages/util/Router.ts

@@ -45,12 +45,6 @@ export type RouterOptions = {
    */
   getFallbackRelays: () => string[]
 
-  /**
-   * Retrieves relays likely to return results for kind 0, 3, and 10002.
-   * @returns An array of relay URLs as strings.
-   */
-  getIndexerRelays?: () => string[]
-
   /**
    * Retrieves relays likely to support NIP-50 search.
    * @returns An array of relay URLs as strings.
@@ -263,9 +257,6 @@ export class Router {
   Search = (term: string, relays: string[] = []) =>
     this.product([term], uniq(relays.concat(this.options.getSearchRelays?.() || [])))
 
-  Indexers = (relays: string[] = []) =>
-    this.fromRelays(uniq(relays.concat(this.options.getIndexerRelays?.() || [])))
-
   // Fallback policies
 
   addNoFallbacks = (count: number, redundancy: number) => 0