Remove a useless guard in elixir_tokenizer
Remove a useless guard in elixir_tokenizer

lexmag/elixir,pedrosnk/elixir,elixir-lang/elixir,lexmag/elixir,kimshrier/elixir,pedrosnk/elixir,kimshrier/elixir,kelvinst/elixir,ggcampinho/elixir,michalmuskala/elixir,ggcampinho/elixir,kelvinst/elixir,joshprice/elixir