Remove an unnecessary "included do ... end" block in app/models/concerns/approvable.rb

app/models/concerns/approvable.rb

 module Approvable
-  extend ActiveSupport::Concern
-
-  included do
   def requires_approve?
     approvals_required.nonzero?
   end
@@ -155,5 +152,4 @@ module Approvable
       approver_groups.find_or_initialize_by(group_id: group_id, target_id: id)
     end
   end
-  end
 end