Remove digest e-mails (#17985)

* Remove digest e-mails

* Remove digest-related code

config/locales/en.yml

@@ -1351,17 +1351,6 @@ en:
         subject: "%{name} submitted a report"
       sign_up:
         subject: "%{name} signed up"
-    digest:
-      action: View all notifications
-      body: Here is a brief summary of the messages you missed since your last visit on %{since}
-      mention: "%{name} mentioned you in:"
-      new_followers_summary:
-        one: Also, you have acquired one new follower while being away! Yay!
-        other: Also, you have acquired %{count} new followers while being away! Amazing!
-      subject:
-        one: "1 new notification since your last visit 🐘"
-        other: "%{count} new notifications since your last visit 🐘"
-      title: In your absence...
     favourite:
       body: 'Your post was favourited by %{name}:'
       subject: "%{name} favourited your post"

config/sidekiq.yml

@@ -49,10 +49,6 @@
     cron: '<%= Random.rand(0..59) %> <%= Random.rand(3..5) %> * * *'
     class: Scheduler::IpCleanupScheduler
     queue: scheduler
-  email_scheduler:
-    cron: '0 10 * * 2'
-    class: Scheduler::EmailScheduler
-    queue: scheduler
   backup_cleanup_scheduler:
     cron: '<%= Random.rand(0..59) %> <%= Random.rand(3..5) %> * * *'
     class: Scheduler::BackupCleanupScheduler