Kubuntu/KDE Uninstall
It is recommended that you revert back to your previous KDM login theme and wallpaper prior to uninstalling the packages.
Removing the Packages
sudo apt-get remove \ kubuntu-satanic \ kubuntu-satanic-wide \ satanic-wallpapers \ satanic-wallpapers-wide \ satanic-plymouth-theme \ satanic-kde-themes
Notes
If the standard Ubuntu boot screen doesn't appear after a reboot, run the following commands:
sudo update-alternatives --set default.plymouth /lib/plymouth/themes/ubuntu-logo/ubuntu-logo.plymouth sudo update-initramfs -u

