Petition To Remove Champion Mastery

Why do I think champion mastery should be removed? Because things like this happen; You get people who AFK farm and spend 60+ minutes trying to get an S rank rather than playing the game and trying to win. Our ADC was full build level 18 farming JG camps and bot lane trying to get enough CS to get an S rank (they didn't get it). If you are having problems with this as well leave a comment with your name and a brief reasoning as to why you think the champion mastery should be changed or taken out in Season 7.
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