Revert "DEV: Queue jobs in tests by default."

Too risky for now

This reverts commit be28154d3b9289a249d413d462705cd075375888.

spec/requests/admin/groups_controller_spec.rb

@@ -78,8 +78,6 @@ RSpec.describe Admin::GroupsController do
     let(:user2) { Fabricate(:user, trust_level: 4) }
 
     it "can assign users to a group by email or username" do
-      SiteSetting.queue_jobs = false
-
       put "/admin/groups/bulk.json", params: {
         group_id: group.id, users: [user.username.upcase, user2.email, 'doesnt_exist']
       }