emsid@fractal:~$ sudo apt-get purge linux-generic-lts-xenial xserver-xorg-core-lts-xenial xserver-xorg-lts-xenial xserver-xorg-video-all-lts-xenial xserver-xorg-input-all-lts-xenial libwayland-egl1-mesa-lts-xenial
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package 'xserver-xorg-input-all-lts-xenial' is not installed, so not removed
Package 'xserver-xorg-video-all-lts-xenial' is not installed, so not removed
The following packages will be REMOVED:
  libwayland-egl1-mesa-lts-xenial* linux-generic-lts-xenial*
  xserver-xorg-core-lts-xenial* xserver-xorg-lts-xenial*
0 upgraded, 0 newly installed, 4 to remove and 37 not upgraded.
After this operation, 28.7 kB disk space will be freed.
Do you want to continue? [Y/n] Y
(Reading database ... 370253 files and directories currently installed.)
Removing libwayland-egl1-mesa-lts-xenial:amd64 (11.2.0-1ubuntu2~trusty1) ...
Purging configuration files for libwayland-egl1-mesa-lts-xenial:amd64 (11.2.0-1ubuntu2~trusty1) ...
Removing linux-generic-lts-xenial (4.4.0.64.50) ...
Removing xserver-xorg-core-lts-xenial (2:1.18.3-1ubuntu2.3~trusty1) ...
Purging configuration files for xserver-xorg-core-lts-xenial (2:1.18.3-1ubuntu2.3~trusty1) ...
Removing xserver-xorg-lts-xenial (1:7.7+13ubuntu3~trusty2) ...
Purging configuration files for xserver-xorg-lts-xenial (1:7.7+13ubuntu3~trusty2) ...
emsid@fractal:~$