Riot, please don't remove item sets.
I know a lot of people don't use them, and those people may be more casual players who don't care to build stuff fast, but...
A lot of people really like this. It is really convenient and it helps people like me to stay on track with what to build. An example is that, on Taliyah, I like to go ionian boots since I build GLP instead of morellos, but I often forget because the default recommends sorc boots. This really messes me up because I have little to no CDR on a champ that demands CDR.
Please riot, keep item sets in the game.