"We will be removing the ability to queue up as four to reduce queue times."
Why even have flex queue? Just change duo into trio and get rid of flex at this point if you want to reduce queue times so bad. It will also reduce queue times because support won't divided between duo and flex unevenly.
For those who want easy access to the link: http://na.leagueoflegends.com/en/news/game-updates/patch/queue-health-comes-patch-notes
