DEV: Take 2 Queue jobs in tests by default.

On my machine this cuts the time taken to run our test suite
from ~11mins to ~9mins.

spec/components/auth/github_authenticator_spec.rb

@@ -207,8 +207,6 @@ describe Auth::GithubAuthenticator do
   describe 'avatar retrieval' do
     let(:job_klass) { Jobs::DownloadAvatarFromUrl }
 
-    before { SiteSetting.queue_jobs = true }
-
     context 'when user has a custom avatar' do
       let(:user_avatar) { Fabricate(:user_avatar, custom_upload: Fabricate(:upload)) }
       let(:user_with_custom_avatar) { Fabricate(:user, user_avatar: user_avatar) }