fixup! linux: close streams without an extra read

src/unix/poll.c

@@ -60,15 +60,8 @@ void uv__poll_io(uv_loop_t* loop, uv__io_t* w, unsigned int events) {
   if (events & UV__POLLRDHUP)
     pevents |= UV_DISCONNECT;
 
-  /* Work around an epoll quirk where it sometimes reports just the EPOLLERR or
-   * EPOLLHUP event. But our tests expect to hear about the events they are
-   * interested in even in this case, so merge those in also.
-   *
-   * Note to self: happens when epoll reports EPOLLIN|EPOLLHUP, the user reads
-   * the available data, calls uv_poll_stop(), then sometime later calls
-   * uv_poll_start() again. By then, libuv has forgotten about the hangup and
-   * the kernel won't report EPOLLIN again because there's nothing left to read.
-   */
+  /* On error or hangup, mix in events the user is interested in so the
+   * appropriate read/write callbacks are invoked. */
   if (events & (POLLERR | POLLHUP))
     pevents |=
       w->pevents & (UV_READABLE | UV_PRIORITIZED | UV_WRITABLE | UV_DISCONNECT);