trace-events: drop orphan virtio_blk_data_plane_complete_request
This trace event has not been in use since commit
b002254dbd4c19a01f29790f840f983803e26893 ("virtio-blk: Unify
{non-,}dataplane's request handlings").
Cc: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1411394595-15300-2-git-send-email-stefanha@redhat.com