Use id_in instead of for_id

app/models/namespaces/sync_event.rb

@@ -9,7 +9,6 @@ class Namespaces::SyncEvent < ApplicationRecord
 
   scope :preload_synced_relation, -> { preload(:namespace) }
   scope :order_by_id_asc, -> { order(id: :asc) }
-  scope :for_id, -> (id) { where(id: id) }
 
   def self.enqueue_worker
     ::Namespaces::ProcessSyncEventsWorker.perform_async # rubocop:disable CodeReuse/Worker

app/models/projects/sync_event.rb

@@ -9,7 +9,6 @@ class Projects::SyncEvent < ApplicationRecord
 
   scope :preload_synced_relation, -> { preload(:project) }
   scope :order_by_id_asc, -> { order(id: :asc) }
-  scope :for_id, -> (id) { where(id: id) }
 
   def self.enqueue_worker
     ::Projects::ProcessSyncEventsWorker.perform_async # rubocop:disable CodeReuse/Worker

app/services/ci/process_sync_events_service.rb

@@ -33,7 +33,7 @@ module Ci
       max = events.last
 
       events.each { |event| @sync_class.sync!(event) }
-      @sync_event_class.for_id(min.id..max.id).delete_all
+      @sync_event_class.id_in(min.id..max.id).delete_all
     end
 
     def enqueue_worker_if_there_still_event