Remove method missing references.
Remove method missing references.

elixir-lang/elixir,semahawk/elixir,beedub/elixir,kimshrier/elixir,kelvinst/elixir,lexmag/elixir,antipax/elixir,beedub/elixir,kelvinst/elixir,semahawk/elixir,michalmuskala/elixir,gfvcastro/elixir,gfvcastro/elixir,kimshrier/elixir,joshprice/elixir,pedrosnk/elixir,ggcampinho/elixir,ggcampinho/elixir,antipax/elixir,pedrosnk/elixir,lexmag/elixir