Remove old PKGBUILDs

Purge all packages that have been removed from the repositories but are
still under version control, cf. [1] for details.

[1] https://mailman.archlinux.org/pipermail/arch-dev-public/2014-August/026519.html


git-svn-id: file:///srv/repos/svn-packages/svn@219335 eb2447ed-0c53-47e4-bac8-5bc4a241df78