zfs-dkms 0.7.5-1ubuntu16: zfs kernel module failed to build

[Kevin Nolan]

this was reported on the first boot after upgrade to 18.04. I am not using zfs currently so my fix is just to remove from the modeule list.

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: zfs-dkms 0.7.5-1ubuntu16
ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
Uname: Linux 4.15.0-23-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair nvidia
ApportVersion: 2.20.9-0ubuntu7
Architecture: amd64
DKMSBuildLog:
 DKMS make.log for zfs-0.7.5 for kernel 4.15.0-23-generic (x86_64)
 Sat May 26 04:11:20 PDT 2018
 make: *** No targets specified and no makefile found. Stop.
DKMSKernelVersion: 4.15.0-23-generic
Date: Sat May 26 04:11:23 2018
InstallationDate: Installed on 2018-04-04 (52 days ago)
InstallationMedia: Xubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105)
PackageArchitecture: all
PackageVersion: 0.7.5-1ubuntu16
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.1
SourcePackage: zfs-linux
Title: zfs-dkms 0.7.5-1ubuntu16: zfs kernel module failed to build
UpgradeStatus: Upgraded to bionic on 2018-05-26 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.