Remove "save as draft"

Removes the creating status completely as well as the abandoned cards system. It will
always resume drafts if they exist, for a given collection and user.

https://app.box-car.com/5986089/cards/2489

test/models/card/statuses_test.rb

@@ -1,12 +1,10 @@
 require "test_helper"
 
 class Card::StatusesTest < ActiveSupport::TestCase
-  test "cards start out in a `creating` state" do
+  test "cards start out in a `drafted` state" do
     card = collections(:writebook).cards.create! creator: users(:kevin), title: "Newly created card"
 
-    assert card.creating?
-    assert_not_includes Card.published_or_drafted_by(users(:kevin)), card
-    assert_not_includes Card.published_or_drafted_by(users(:jz)), card
+    assert card.drafted?
   end
 
   test "cards are only visible to the creator when drafted" do
@@ -51,38 +49,4 @@ class Card::StatusesTest < ActiveSupport::TestCase
     assert_equal card, Event.last.eventable
     assert_equal "card_published", Event.last.action
   end
-
-  test "can_recover_abandoned_creation?" do
-    card = collections(:writebook).cards.create! creator: users(:kevin)
-    unsaved_card = collections(:writebook).cards.new creator: users(:kevin)
-
-    assert_not unsaved_card.can_recover_abandoned_creation?
-
-    card.update!(title: "Something worth keeping")
-    assert unsaved_card.can_recover_abandoned_creation?
-  end
-
-  test "recover_abandoned_creation" do
-    card_edited = collections(:writebook).cards.create! creator: users(:kevin)
-    card_edited.update!(title: "Something worth keeping")
-
-    card_not_edited = collections(:writebook).cards.create! creator: users(:kevin)
-
-    assert card_not_edited.can_recover_abandoned_creation?
-
-    assert_equal card_edited, card_not_edited.recover_abandoned_creation
-
-    assert_raises(ActiveRecord::RecordNotFound) { card_not_edited.reload }
-  end
-
-  test "remove_abandoned_creations" do
-    card_old = collections(:writebook).cards.create! creator: users(:kevin), updated_at: 2.days.ago
-    card_recent = collections(:writebook).cards.create! creator: users(:kevin)
-
-    assert_equal 2, Card.creating.count
-
-    Card.remove_abandoned_creations
-
-    assert_equal [ card_recent ], Card.creating
-  end
 end