[aur-general] Deletion request: a few mono packages

[Jekyll Wu]

All following packages are orphaned and inactive for a long time

https://aur.archlinux.org/packages/clutter-sharp-git/
git repo gone

https://aur.archlinux.org/packages/mono-old/
old version, tarball gone

https://aur.archlinux.org/packages/monodocer-svn/
svn repo gone

https://aur.archlinux.org/packages/monodevelop-beta/
outdated version, fail to build

https://aur.archlinux.org/packages/monodevelop-boo/
tarball gone

https://aur.archlinux.org/packages/qyotodevelop-git/
fail to build, upstream abandoned