Stop connecting to an application by default in the console

This will mess up enqueuing jobs from the console when using multiple
adapters because of being in the middle of a migration, and only
configuring one of them for Mission Control (eg. migrating from Sidekiq
to Solid Queue).

lib/mission_control/jobs/engine.rb

@@ -77,11 +77,6 @@ class Engine < ::Rails::Engine
         MissionControl::Jobs.delay_between_bulk_operation_batches = 2
         MissionControl::Jobs.logger = ActiveSupport::Logger.new(STDOUT)
 
-        if MissionControl::Jobs.applications.one? && (application = MissionControl::Jobs.applications.first) && application.servers.one?
-          MissionControl::Jobs::Current.application = application
-          MissionControl::Jobs::Current.server = application.servers.first
-        end
-
         if MissionControl::Jobs.show_console_help
           puts "\n\nType 'jobs_help' to see how to connect to the available job servers to manage jobs\n\n"
         end