[aur-general] Removal request

Greetings, I managed the package linux-xps15z several months back. This package added a trackpad driver needed for certain laptops. The driver was merged into the 3.9 series kernel and has been working fine since; therefore the AUR package will no longer be maintained and can be deleted if you want. https://aur.archlinux.org/packages/linux-xps15z/