fix: suppress LogTape context-local storage warning

Add AsyncLocalStorage to LogTape configure() to fix the repeated
"Context-local storage is not configured" warning that appeared
before every Fedify log entry. Also remove unused getLogger import.

lib/federation-setup.js

@@ -6,6 +6,7 @@
  * and inbox.js with Fedify's battle-tested implementations.
  */
 
+import { AsyncLocalStorage } from "node:async_hooks";
 import { Temporal } from "@js-temporal/polyfill";
 import {
   Endpoints,
@@ -16,7 +17,7 @@ import {
   createFederation,
   importSpki,
 } from "@fedify/fedify";
-import { configure, getConsoleSink, getLogger } from "@logtape/logtape";
+import { configure, getConsoleSink } from "@logtape/logtape";
 import { MongoKvStore } from "./kv-store.js";
 import { registerInboxListeners } from "./inbox-listeners.js";
 
@@ -45,6 +46,7 @@ export function setupFederation(options) {
   if (!_logtapeConfigured) {
     _logtapeConfigured = true;
     configure({
+      contextLocalStorage: new AsyncLocalStorage(),
       sinks: {
         console: getConsoleSink(),
       },