Remove Twitter share link.

app/presenters/content_item/shareable.rb

@@ -9,11 +9,6 @@ def share_links
           text: "Facebook",
           icon: "facebook",
         },
-        {
-          href: twitter_share_url,
-          text: "Twitter",
-          icon: "twitter",
-        },
       ]
     end
 
@@ -23,10 +18,6 @@ def facebook_share_url
       "https://www.facebook.com/sharer/sharer.php?u=#{share_url}"
     end
 
-    def twitter_share_url
-      "https://twitter.com/share?url=#{share_url}&text=#{url_encode(title)}"
-    end
-
     def share_url
       url_encode(Plek.new.website_root + content_item["base_path"])
     end

test/presenters/consultation_presenter_test.rb

@@ -168,7 +168,6 @@ def schema_name
 
     test "presents share urls with encoded url and title" do
       assert_equal "https://www.facebook.com/sharer/sharer.php?u=https%3A%2F%2Fwww.test.gov.uk%2Fgovernment%2Fconsultations%2Fpostgraduate-doctoral-loans", presented_item("open_consultation").share_links[0][:href]
-      assert_equal "https://twitter.com/share?url=https%3A%2F%2Fwww.test.gov.uk%2Fgovernment%2Fconsultations%2Fpostgraduate-doctoral-loans&text=Postgraduate%20doctoral%20loans", presented_item("open_consultation").share_links[1][:href]
     end
 
     test "displays the single page notification button on English pages" do

test/presenters/content_item/shareable_test.rb

@@ -18,12 +18,6 @@ def expected_path
     url_encode("#{Plek.new.website_root}/a/base/path")
   end
 
-  test "presents the twitter share url" do
-    expected_twitter_url = "https://twitter.com/share?url=#{expected_path}&text=A%20Title"
-    actual = DummyContentItem.new.share_links[1][:href]
-    assert_equal expected_twitter_url, actual
-  end
-
   test "presents the facebook share url" do
     expected_facebook_url = "https://www.facebook.com/sharer/sharer.php?u=#{expected_path}"
     actual = DummyContentItem.new.share_links[0][:href]