elixir: credo: remove ignored readability checkers (#970)
elixir: credo: remove ignored readability checkers (#970)

They should be ignored in the .credo.exs file if the user wants to do so.
euclio/neomake,neomake/neomake,neomake/neomake,codeinabox/neomake,euclio/neomake,nerdrew/neomake,bonds/neomake,bonds/neomake,nerdrew/neomake