Talk:Force of Nature/@comment-67.185.193.61-20121211044142/@comment-69.141.8.150-20121224180340

they removed it because:

http://na.leagueoflegends.com/board/showthread.php?p=32780220#post32780220
This was actually not a case of an item being too good (like HoG). The item had stats that provided very little synergy and you wound up paying for stuff you didn't want. Singed was one of the few tanks who made good use of it, even then the regen was on him was overrated.