Remove HTTPoison dependency

lib/readability.ex

@@ -74,37 +74,6 @@ defmodule Readability do
   @type options :: list
   @type headers :: list[tuple]
 
-  @doc """
-  summarize the primary readable content of a webpage.
-  """
-  @spec summarize(url, options) :: Summary.t()
-  def summarize(url, opts \\ []) do
-    opts = Keyword.merge(opts, page_url: url)
-    httpoison_options = Application.get_env(:readability, :httpoison_options, [])
-    %{status_code: _, body: raw, headers: headers} = HTTPoison.get!(url, [], httpoison_options)
-
-    case is_response_markup(headers) do
-      true ->
-        html_tree =
-          raw
-          |> Helper.normalize(url: url)
-
-        article_tree =
-          html_tree
-          |> ArticleBuilder.build(opts)
-
-        %Summary{
-          title: title(html_tree),
-          authors: authors(html_tree),
-          article_html: readable_html(article_tree),
-          article_text: readable_text(article_tree)
-        }
-
-      _ ->
-        %Summary{title: nil, authors: nil, article_html: nil, article_text: raw}
-    end
-  end
-
   @doc """
   Extract MIME Type from headers
 

mix.exs

@@ -41,7 +41,6 @@ defmodule Readability.Mixfile do
   defp deps do
     [
       {:floki, "~> 0.20"},
-      {:httpoison, "~> 0.13.0"},
       {:ex_doc, "~> 0.14", only: :dev},
       {:credo, "~> 0.9", only: [:dev, :test]},
       {:dialyxir, "~> 0.3", only: [:dev]},