message: Remove storage migration from mark-unread
diff: @@ -327,20 +327,6 @@ function updateLocalParticipatingCount() {
  }
  }
  -// Migrate old localStorage.unreadNotifications to new storage.
  -// For extra safety, keep the old notifications under a different name.
  -// Drop function in mid August and drop the new key as well.
  -function migrateOldStorage() {
  - const oldStorage = localStorage.getItem('unreadNotifications');
  - if (oldStorage) {
  - const list = JSON.parse(oldStorage);
  - console.log('Migrating old unreadNotifications storage', list);
  - storage.set(list);
  - localStorage.setItem('_unreadNotifications_migrated', JSON.stringify(list));
  - localStorage.removeItem('unreadNotifications');
  - }
  -}
  -
  async function setup() {
  storage = await new SynchronousStorage(
  () => {
  @@ -352,10 +338,14 @@ async function setup() {
  return browser.storage.local.set({unreadNotifications});
  }
  );
  - migrateOldStorage();
  gitHubInjection(() => {
  destroy();
  + // Remove old data from previous storage
  + // Drop code in 2018
  + localStorage.removeItem('_unreadNotifications_migrated');
  + localStorage.removeItem('unreadNotifications');
  +
  if (pageDetect.isNotifications()) {
  renderNotifications();
  addCustomAllReadBtn();
  