Revert "[sidekiq] disable bootstraptimelineworker"

This reverts commit 50f010652e.

app/models/user.rb

@@ -219,7 +219,7 @@ class User < ApplicationRecord
   end
 
   def challenge
-    #
+    # 
   end
 
   def password_required?
@@ -258,7 +258,7 @@ class User < ApplicationRecord
   private
 
   def set_approved
-    self.approved = open_registrations?
+    self.approved = open_registrations?  
   end
 
   def external?
@@ -272,7 +272,7 @@ class User < ApplicationRecord
   end
 
   def prepare_new_user!
-    # BootstrapTimelineWorker.perform_async(account_id)
+    BootstrapTimelineWorker.perform_async(account_id)
     ActivityTracker.increment('activity:accounts:local')
     UserMailer.welcome(self).deliver_later
   end

app/workers/bootstrap_timeline_worker.rb

@@ -4,6 +4,6 @@ class BootstrapTimelineWorker
   include Sidekiq::Worker
 
   def perform(account_id)
-    # BootstrapTimelineService.new.call(Account.find(account_id))
+    BootstrapTimelineService.new.call(Account.find(account_id))
   end
 end