Resolve race condition issues when using one-time passwords

Author: ryokdy

lib/aws/session_store/dynamo_db/rack_middleware.rb

@@ -25,7 +25,6 @@ def find_session(req, sid)
       else
         unless sid and session = @lock.get_session_data(req.env, sid.private_id)
           session = {}
-          sid = generate_unique_sid(req.env, session)
         end
         [sid, session]
       end