Reverted packaging changes from launchers.

packaging/linux/pkgbuild/PKGBUILD

@@ -3,13 +3,14 @@ pkgname=openra
 pkgver={VERSION}
 pkgrel=1
 pkgdesc="Open Source rebuild of the Red Alert game engine using Mono/OpenGL."
-arch=('{ARCH}')
+arch=('any')
 url="http://open-ra.org"
 license=('GPL3')
 groups=()
-depends=('mono' 'openal' 'mesa' 'freetype2' 'sdl' 'gtk2' 'libwebkit')
+depends=('mono' 'openal' 'mesa' 'freetype2' 'sdl')
 makedepends=('git' 'unzip' 'wget')
-optdepends=()
+optdepends=('gksu: Elevation for installing game packages on Gnome platforms'
+'kdesudo: Elevation for installing game packages on KDE platforms')
 provides=()
 conflicts=()
 replaces=()