Don't set statusnetConversationIds on replies anymore.

lib/pleroma/web/twitter_api/twitter_api.ex

@@ -58,11 +58,8 @@ def create_status(user = %User{}, data = %{"status" => status}) do
         "actor" => user.ap_id,
         "inReplyTo" => inReplyTo.data["object"]["id"],
         "inReplyToStatusId" => inReplyTo.id,
-        "statusnetConversationId" => inReplyTo.data["statusnetConversationId"]
-      }
-      additional = %{
-        "statusnetConversationId" => inReplyTo.data["statusnetConversationId"]
       }
+      additional = %{}
 
       [to, context, object, additional]
       else

test/web/twitter_api/twitter_api_test.exs

@@ -67,8 +67,6 @@ test "create a status that is a reply" do
 
     assert get_in(reply.data, ["context"]) == get_in(activity.data, ["context"])
     assert get_in(reply.data, ["object", "context"]) == get_in(activity.data, ["object", "context"])
-    assert get_in(reply.data, ["statusnetConversationId"]) == get_in(activity.data, ["statusnetConversationId"])
-    assert get_in(reply.data, ["object", "statusnetConversationId"]) == get_in(activity.data, ["object", "statusnetConversationId"])
     assert get_in(reply.data, ["object", "inReplyTo"]) == get_in(activity.data, ["object", "id"])
     assert get_in(reply.data, ["object", "inReplyToStatusId"]) == activity.id
     assert Enum.member?(get_in(reply.data, ["to"]), "some_cool_id")