APPLIED/cmt: [PATCH][EOAN] Update ZFS to 0.8.1-1ubuntu1

[Seth Forshee]

On Mon, Jul 01, 2019 at 04:58:02PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
> 
> Moving to ZFS 0.8.1 allows us to dispose of spl dkms package. This
> patch updates the ZFS version to the latest ZFS package and removes
> the need for the SPL dkms package to be sync'd into the kernel.
> 
> NOTE: Should be applied only once ZFS 0.8.1-1ubuntu1 lands in the
> Eoan archive. I've uploaded the as of 1st July 2019, so it may land
> in the archive later this week.
> 
> Colin Ian King (1):
>   UBUNTU: [Packaging] replace zfs and spl build with zfs 0.8.1-1ubuntu1

Applied, with slight ammendment to remove the definition of the now
unused dkms_spl_linux_version from debian/rules. Thanks!