Daily Reminder to Bring Back Pink-Ward Yellow Trinket Upgrade

Vision game is totally bonkers, and way harder than it was last season, contrary to the goals of changing Vision.

We need to re-enable the Pink Trinket upgrade for late game vision, or make a pink trinket upgrade to boots.

For more arguments see: http://boards.na.leagueoflegends.com/en/c/gameplay-balance/YEs2iFxI-bring-back-pink-trinket-upgrade