Remove the noImp decorator in enclosure builder

app/models/apple/episode.rb

@@ -242,7 +242,6 @@ def podcast
 
     def enclosure_url
       url = EnclosureUrlBuilder.new.base_enclosure_url(podcast, feeder_episode, private_feed)
-      url = EnclosureUrlBuilder.mark_no_imp(url)
       EnclosureUrlBuilder.mark_authorized(url, show.private_feed)
     end
 

app/models/enclosure_url_builder.rb

@@ -17,12 +17,6 @@ def self.mark_authorized(enclosure_url, feed)
     add_query_param(enclosure_url, "auth", token)
   end
 
-  # Marks the url as a `noImp`
-  # Used by Dovetail to skip the impression tracking
-  def self.mark_no_imp(enclosure_url)
-    add_query_param(enclosure_url, "noImp", "1")
-  end
-
   def podcast_episode_url(podcast, episode, feed = nil)
     feed ||= podcast.default_feed
     prefix = feed.try(:enclosure_prefix)

test/models/apple/episode_test.rb

@@ -62,8 +62,8 @@
   end
 
   describe "#enclosure_url" do
-    it "should add a noImp query param" do
-      assert_match(/noImp=1/, apple_episode.enclosure_url)
+    it "should add auth query param" do
+      assert_match(/auth=/, apple_episode.enclosure_url)
     end
   end
 

test/models/enclosure_url_builder_test.rb

@@ -131,16 +131,6 @@
   end
 
   describe "a set of class methods to mark (annotate) enclosure urls" do
-    describe ".mark_no_imp" do
-      it "should add a noImp query param" do
-        assert_equal "http://example.com?noImp=1", EnclosureUrlBuilder.mark_no_imp("http://example.com")
-      end
-
-      it "should preserve existing query params" do
-        assert_equal "http://example.com?foo=bar&noImp=1", EnclosureUrlBuilder.mark_no_imp("http://example.com?foo=bar")
-      end
-    end
-
     describe ".mark_authorized" do
       let(:private_feed) { create(:private_feed, podcast: podcast) }
       let(:feed_tok) { private_feed.tokens.first }