As a former player I know there were many times I despised a particular class because of an ability I had difficulty dealing with. As a former druid player I remember having many frustrating moments back in tbc having a warlock fear spam me whilst burning me down or life draining me in warsong. Then came the death knights in wrath with made healing as a resto Druid the least pleasent experience I've had in arenas.
The point is we have all felt there was at least one class we wanted erased from the game. So I pose this question, if you could remove one class from the game which class would it be?