Change auto-deletion throttling constants to better scale with server size (#23320)

spec/workers/scheduler/accounts_statuses_cleanup_scheduler_spec.rb

@@ -25,7 +25,6 @@ describe Scheduler::AccountsStatusesCleanupScheduler do
       },
     ]
   end
-  let(:retry_size) { 0 }
 
   before do
     queue_stub = double
@@ -35,7 +34,6 @@ describe Scheduler::AccountsStatusesCleanupScheduler do
     allow(Sidekiq::ProcessSet).to receive(:new).and_return(process_set_stub)
 
     sidekiq_stats_stub = double
-    allow(sidekiq_stats_stub).to receive(:retry_size).and_return(retry_size)
     allow(Sidekiq::Stats).to receive(:new).and_return(sidekiq_stats_stub)
 
     # Create a bunch of old statuses
@@ -72,14 +70,6 @@ describe Scheduler::AccountsStatusesCleanupScheduler do
         expect(subject.under_load?).to be true
       end
     end
-
-    context 'when there is a huge amount of jobs to retry' do
-      let(:retry_size) { 1_000_000 }
-
-      it 'returns true' do
-        expect(subject.under_load?).to be true
-      end
-    end
   end
 
   describe '#get_budget' do