Remove deprecated Import model (#34371)

spec/workers/import_worker_spec.rb

@@ -1,23 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe ImportWorker do
-  let(:worker) { described_class.new }
-  let(:service) { instance_double(ImportService, call: true) }
-
-  describe '#perform' do
-    before do
-      allow(ImportService).to receive(:new).and_return(service)
-    end
-
-    let(:import) { Fabricate(:import) }
-
-    it 'sends the import to the service' do
-      worker.perform(import.id)
-
-      expect(service).to have_received(:call).with(import)
-      expect { import.reload }.to raise_error(ActiveRecord::RecordNotFound)
-    end
-  end
-end