Convert admin/site_uploads spec controller->system (#34108)

spec/controllers/admin/site_uploads_controller_spec.rb

@@ -1,23 +0,0 @@
-# frozen_string_literal: true
-
-require 'rails_helper'
-
-RSpec.describe Admin::SiteUploadsController do
-  render_views
-
-  let(:user) { Fabricate(:admin_user) }
-
-  before do
-    sign_in user, scope: :user
-  end
-
-  describe 'DELETE #destroy' do
-    let(:site_upload) { Fabricate(:site_upload, var: 'thumbnail') }
-
-    it 'returns http success' do
-      delete :destroy, params: { id: site_upload.id }
-
-      expect(response).to redirect_to(admin_settings_path)
-    end
-  end
-end