Revert "Add a description field for cards"

test/controllers/cards_controller_test.rb

@@ -36,17 +36,19 @@ class CardsControllerTest < ActionDispatch::IntegrationTest
     patch collection_card_path(collections(:writebook), cards(:logo)), params: {
       card: {
         title: "Logo needs to change",
+        due_on: 1.week.from_now,
         image: fixture_file_upload("moon.jpg", "image/jpeg"),
-        description: "Something more in-depth",
+        draft_comment: "Something more in-depth",
         tag_ids: [ tags(:mobile).id ] } }
     assert_response :success
 
     card = cards(:logo).reload
     assert_equal "Logo needs to change", card.title
+    assert_equal 1.week.from_now.to_date, card.due_on
     assert_equal "moon.jpg", card.image.filename.to_s
     assert_equal [ tags(:mobile) ], card.tags
 
-    assert_equal "Something more in-depth", card.description_plain_text.strip
+    assert_equal "Something more in-depth", card.messages.comments.first.comment.body_plain_text.strip
   end
 
   test "users can only see cards in collections they have access to" do