Fix wrong arity in Integer docs (#8181)
Fix wrong arity in Integer docs (#8181)

Closes #8180
kelvinst/elixir,pedrosnk/elixir,ggcampinho/elixir,kelvinst/elixir,michalmuskala/elixir,elixir-lang/elixir,ggcampinho/elixir,lexmag/elixir,lexmag/elixir,kimshrier/elixir,joshprice/elixir,pedrosnk/elixir,kimshrier/elixir