Causes a performance degradation when cloning/fetching a project with LFS objects. See the mailing list discussion [1]. Also revert the follow-up commit: "ProjectQoSFilter: Suppress warnings about deprecated jetty Continuation". This reverts commitdb1208efa9. This reverts commit846124053d. [1] https://groups.google.com/d/msg/repo-discuss/_bnB1T_lb4Y/amtMp5CVBQAJ Change-Id: Ic4ff7cd371ce3bc41a8353ef8f8d70e58e5d78e6