Fix `Rails/RedundantActiveRecordAllMethod` cop (#26885)

app/lib/delivery_failure_tracker.rb

@@ -62,7 +62,7 @@ class DeliveryFailureTracker
         key.delete_prefix(exhausted_deliveries_key_by(''))
       end
 
-      domains - UnavailableDomain.all.pluck(:domain)
+      domains - UnavailableDomain.pluck(:domain)
     end
 
     def warning_domains_map(domains = nil)

spec/lib/vacuum/imports_vacuum_spec.rb

@@ -13,7 +13,7 @@ RSpec.describe Vacuum::ImportsVacuum do
 
   describe '#perform' do
     it 'cleans up the expected imports' do
-      expect { subject.perform }.to change { BulkImport.all.pluck(:id) }.from([old_unconfirmed, new_unconfirmed, recent_ongoing, recent_finished, old_finished].map(&:id)).to([new_unconfirmed, recent_ongoing, recent_finished].map(&:id))
+      expect { subject.perform }.to change { BulkImport.pluck(:id) }.from([old_unconfirmed, new_unconfirmed, recent_ongoing, recent_finished, old_finished].map(&:id)).to([new_unconfirmed, recent_ongoing, recent_finished].map(&:id))
     end
   end
 end