[aur-general] Please remove "ogre-svn"

[Sven-Hendrik Haase]

Please remove my package "ogre-svn"
(http://aur.archlinux.org/packages.php?ID=28919) as it is deprecated.
The new package "ogre-hg"
(http://aur.archlinux.org/packages.php?ID=35874) reflects upstream's
decision to switch to Mercurial.

-- Sven-Hendrik