Remove untested gateway middleware

TODO: Allow modifications to middleware stack for people who want to
continue using the library to talk to gateways.

lib/twitter/config.rb

@@ -25,9 +25,6 @@ module Config
     # @see http://developer.typepad.com/typepad-twitter-api/twitter-api.html
     DEFAULT_ENDPOINT = 'https://api.twitter.com'
 
-    # The gateway server if none is set
-    DEFAULT_GATEWAY = nil
-
     # This endpoint will be used by default when updating statuses with media
     DEFAULT_MEDIA_ENDPOINT = 'https://upload.twitter.com'
 
@@ -56,7 +53,6 @@ module Config
       :consumer_key,
       :consumer_secret,
       :endpoint,
-      :gateway,
       :oauth_token,
       :oauth_token_secret,
       :proxy,
@@ -92,7 +88,6 @@ def reset
       self.consumer_key       = DEFAULT_CONSUMER_KEY
       self.consumer_secret    = DEFAULT_CONSUMER_SECRET
       self.endpoint           = DEFAULT_ENDPOINT
-      self.gateway            = DEFAULT_GATEWAY
       self.media_endpoint     = DEFAULT_MEDIA_ENDPOINT
       self.oauth_token        = DEFAULT_OAUTH_TOKEN
       self.oauth_token_secret = DEFAULT_OAUTH_TOKEN_SECRET

lib/twitter/connection.rb

@@ -1,6 +1,5 @@
 require 'faraday'
 require 'twitter/core_ext/hash'
-require 'twitter/request/gateway'
 require 'twitter/request/multipart_with_file'
 require 'twitter/request/oauth'
 require 'twitter/response/parse_json'
@@ -32,11 +31,10 @@ def connection
         builder.use Twitter::Request::OAuth, credentials if credentials?
         builder.use Faraday::Request::Multipart
         builder.use Faraday::Request::UrlEncoded
-        builder.use Twitter::Request::Gateway, gateway if gateway
         builder.use Twitter::Response::RaiseClientError
         builder.use Twitter::Response::ParseJson
         builder.use Twitter::Response::RaiseServerError
-        builder.adapter(adapter)
+        builder.adapter adapter
       end
     end
 

spec/twitter/client_spec.rb

@@ -36,7 +36,6 @@
           :oauth_token_secret => 'OS',
           :adapter => :typhoeus,
           :endpoint => 'http://tumblr.com/',
-          :gateway => 'gateway.example.com',
           :proxy => 'http://erik:[email protected]:8080',
           :search_endpoint => 'http://google.com/',
           :media_endpoint => 'https://upload.twitter.com/',