Comment 12 for bug 1746310

There were a few responses on the ubuntu-release mailing list.

https://lists.ubuntu.com/archives/ubuntu-release/2018-February/004283.html

It looks like we're going to drop fonts-symbola from desktop-common. Flavors are free to install fonts-noto-color-emoji themselves if they like since Kubuntu objects to it being in desktop-common.