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/requests/topics_controller_spec.rb

@@ -258,8 +258,6 @@ RSpec.describe TopicsController do
 
       describe 'publishing topic to category in the future' do
         it 'should be able to create the topic status update' do
-          SiteSetting.queue_jobs = true
-
           post "/t/#{topic.id}/timer.json", params: {
             time: 24,
             status_type: TopicTimer.types[3],