eomarjee [1] filed a deletion request for cytoscape2 [2]: 2.x versions used to be proposed on the official site download page next to 3.x versions. But it is no longer the case (see: http://www.cytoscape.org/download.php).
[1] https://aur.archlinux.org/account/eomarjee/ [2] https://aur.archlinux.org/pkgbase/cytoscape2/
