Revert "xen/events/fifo: Handle linked events when closing a port"

This reverts commit fcdf31a7c162de0c93a2bee51df4688ab0a348f8.

This was causing a WARNING whenever a PIRQ was closed since
shutdown_pirq() is called with irqs disabled.

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: <stable@vger.kernel.org>
3 files changed