Remove old compatibility class GitGarbageCollectWorker

app/workers/all_queues.yml

@@ -2107,15 +2107,6 @@
   :idempotent: true
   :tags:
   - :exclude_from_kubernetes
-- :name: git_garbage_collect
-  :worker_name: GitGarbageCollectWorker
-  :feature_category: :gitaly
-  :has_external_dependencies:
-  :urgency: :low
-  :resource_boundary: :unknown
-  :weight: 1
-  :idempotent:
-  :tags: []
 - :name: github_import_advance_stage
   :worker_name: Gitlab::GithubImport::AdvanceStageWorker
   :feature_category: :importers

app/workers/git_garbage_collect_worker.rb

-# frozen_string_literal: true
-
-# According to our docs, we can only remove workers on major releases
-# https://docs.gitlab.com/ee/development/sidekiq_style_guide.html#removing-workers.
-#
-# We need to still maintain this until 14.0 but with the current functionality.
-#
-# In https://gitlab.com/gitlab-org/gitlab/-/issues/299290 we track that removal.
-class GitGarbageCollectWorker # rubocop:disable Scalability/IdempotentWorker
-  include ApplicationWorker
-
-  sidekiq_options retry: false
-  feature_category :gitaly
-  loggable_arguments 1, 2, 3
-
-  def perform(project_id, task = :gc, lease_key = nil, lease_uuid = nil)
-    ::Projects::GitGarbageCollectWorker.new.perform(project_id, task, lease_key, lease_uuid)
-  end
-end

config/sidekiq_queues.yml

@@ -152,8 +152,6 @@
   - 1
 - - geo
   - 1
-- - git_garbage_collect
-  - 1
 - - github_import_advance_stage
   - 1
 - - github_importer

spec/workers/git_garbage_collect_worker_spec.rb

-# frozen_string_literal: true
-
-require 'fileutils'
-
-require 'spec_helper'
-
-RSpec.describe GitGarbageCollectWorker do
-  let_it_be(:project) { create(:project, :repository) }
-
-  let(:lease_uuid) { SecureRandom.uuid }
-  let(:lease_key)  { "project_housekeeping:#{project.id}" }
-  let(:task)       { :full_repack }
-  let(:params)     { [project.id, task, lease_key, lease_uuid] }
-
-  subject { described_class.new }
-
-  describe "#perform" do
-    it 'calls the Projects::GitGarbageGitGarbageCollectWorker with the same params' do
-      expect_next_instance_of(Projects::GitGarbageCollectWorker) do |instance|
-        expect(instance).to receive(:perform).with(*params)
-      end
-
-      subject.perform(*params)
-    end
-  end
-end