was/Input: do not cancel PipeEvent in _Read()
was/Input: do not cancel PipeEvent in _Read()

There's no need to, and it will only cause additional epoll_ctl()
system calls.

CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy,CM4all/beng-proxy