Log message:
papirus-icon-theme: Update to 20181120

Highlights

* Papirus-Adapta and Papirus-Adapta-Nokto icon themes removed #1499
* Papirus-Dark, and Papirus-Light detached from GTK theme colors #1500

Log message:
graphics/papirus-icon-theme: import version 20181007

Papirus is a free and open source SVG icon theme, based on Paper Icon
Set with a lot of new icons and a few extras, like Hardcode-Tray support,
KDE colorscheme support, Folder Color support, and others.

The Papirus icon theme is available in four variants:

* Papirus
* Papirus Dark
* Papirus Light
* ePapirus (for elementary OS and Pantheon Desktop)