Move link notification to the conversation hero

ts/util/index.ts

@@ -38,7 +38,6 @@ import {
 } from './sessionTranslation';
 import * as zkgroup from './zkgroup';
 import { StartupQueue } from './StartupQueue';
-import { postLinkExperience } from './postLinkExperience';
 import { sendToGroup, sendContentMessageToGroup } from './sendToGroup';
 import { RetryPlaceholders } from './retryPlaceholders';
 import * as expirationTimer from './expirationTimer';
@@ -70,7 +69,6 @@ export {
   MessageController,
   missingCaseError,
   parseRemoteClientExpiration,
-  postLinkExperience,
   queueUpdateMessage,
   RetryPlaceholders,
   saveNewMessageBatcher,

ts/util/postLinkExperience.ts

@@ -1,32 +0,0 @@
-// Copyright 2021 Signal Messenger, LLC
-// SPDX-License-Identifier: AGPL-3.0-only
-
-import { MINUTE } from './durations';
-
-class PostLinkExperience {
-  private hasNotFinishedSync: boolean;
-
-  constructor() {
-    this.hasNotFinishedSync = false;
-  }
-
-  start() {
-    this.hasNotFinishedSync = true;
-
-    // timeout "post link" after 10 minutes in case the syncs don't complete
-    // in time or are never called.
-    setTimeout(() => {
-      this.stop();
-    }, 10 * MINUTE);
-  }
-
-  stop() {
-    this.hasNotFinishedSync = false;
-  }
-
-  isActive(): boolean {
-    return this.hasNotFinishedSync === true;
-  }
-}
-
-export const postLinkExperience = new PostLinkExperience();