Remove etag and last_modified.

Author: benubois

lib/feedkit/parser/twitter_feed.rb

@@ -5,7 +5,7 @@ module Parser
     class TwitterFeed
       attr_reader :feed, :options
 
-      FEED_ATTRIBUTES = %i[etag feed_url last_modified self_url site_url title feed_type options].freeze
+      FEED_ATTRIBUTES = %i[feed_url self_url site_url title feed_type options].freeze
 
       def initialize(recognized_url, tweets, options)
         @recognized_url = recognized_url

test/feedkit/tweets_test.rb

@@ -50,9 +50,7 @@ def test_should_have_feed_properties
       assert !!feed.feed.entries
 
       to_feed = {
-        etag: nil,
         feed_url: "https://twitter.com/bsaid?screen_name=bsaid",
-        last_modified: nil,
         self_url: "https://twitter.com/bsaid?screen_name=bsaid",
         site_url: "https://twitter.com/bsaid?screen_name=bsaid",
         title: "@bsaid",