Remove old Image Mode stuff

There was a static page explaining it, which we no longer link to; and
there was an unused field in the User model for who was a beta tester
for it. Goodbye!

app/assets/stylesheets/application.css.sass

@@ -20,7 +20,6 @@
 @import outfits/index
 @import outfits/new
 @import pets/bulk
-@import static/image_mode
 @import static/pardon_our_dust
 @import static/terms
 @import swf_assets/links

app/assets/stylesheets/static/_image_mode.sass

@@ -1,13 +0,0 @@
-@import "../partials/clean/constants"
-
-body.static-image_mode
-  h2
-    margin:
-      bottom: .25em
-      top: 1.25em
-
-  ol, ul
-    font-family: $text-font
-    margin-bottom: 1em
-    padding-left: 3em
-

app/views/static/image_mode.html.haml

@@ -1,90 +0,0 @@
-- title 'Welcome to Image Mode!'
-
-:markdown
-  Yay! Image Mode! Our servers can handle Image Mode because of [your generous
-  donations][donate]. Thanks for all you do.
-
-  What is Image Mode?
-  -------------------
-
-  Image Mode has two main features:
-
-  1. **Save images of your pets!**
-    On supported browsers, you will see a "Download" button. Clicking it will
-    start downloading a PNG image file to your computer.
-  2. **No more Flash!**
-    In Flash Mode, your browser downloads several Flash files and layers them
-    on top of each other. In Image Mode, we layer images, instead.
-
-
-  How do I use it?
-  ----------------
-
-  Start using Dress to Impress normally: type in a pet name or choose a
-  color/species combination from the home page. Then, to the left of the pet's
-  image, you should see Flash highlighted.
-  **Click on the word Image.** Congrats, you're in!
-
-
-  What does "Waiting on X images" mean?
-  -------------------------------------
-
-  This means that some of the images you're trying to view haven't been
-  converted yet. They're waiting in line to be converted. These days, that line
-  is pretty darn short, so the message shouldn't stay up for too long at all.
-  Just wait patiently for the magic SWF converters to run, and you should be
-  good to go :)
-
-
-  How do I download an image?
-  ---------------------------
-
-  Just click the Download button beneath the Flash/Image switch. If all goes
-  well, a download should begin automatically.
-
-
-  I don't see any Download button.
-  --------------------------------
-
-  Downloading currently only works for modern browsers that support the new
-  canvas feature. It is, however, supported in the latest versions of,
-
-  * [Google Chrome](https://www.google.com/chrome)
-  * [Mozilla Firefox](https://www.firefox.com/)
-  * [Opera](https://www.opera.com/)
-  * [Safari](https://www.apple.com/safari/)
-  * [Internet Explorer](https://www.microsoft.com/ie)
-
-  However, Internet Explorer currently is having trouble running Dress to
-  Impress in general, so is not recommended.
-
-
-  This image doesn't quite look right.
-  ------------------------------------
-
-  If part of your image looks a little off, like something is missing or is
-  transparent when it shouldn't be, hit the "Broken image?" link beneath the
-  Flash/Image mode switcher. Choose the image that seems broken, and report it.
-  The SWF converters will get on it as soon as they can. Thanks for your help!
-
-  Please note that, because our SWF converters use open-source software instead
-  of Adobe's software, some SWF files that use more complex features may not
-  come out right, no matter how many times we convert them. Usually this involves
-  fancy blur effects: Ghost pets, for example, have a sharp blue silhouette behind
-  them instead of a blue glow. There's not much we can do about that for the
-  time being. Most of them are okay, but if an image is just plain unusable…well,
-  that's what Flash mode is for!
-
-
-  What do I do if I find a problem? Have a suggestion? Just want to talk?
-  -----------------------------------------------------------------------
-
-  Email me at <webmaster@openneo.net>. Report Image Mode bugs, ask questions,
-  give me cool ideas, or just say whatever you want. That's what I'm here for.
-
-
-  Thanks again! Enjoy Image Mode!
-  -------------------------------
-
-  [donate]: #{donate_path}
-

config/routes.rb

@@ -74,7 +74,6 @@ OpenneoImpressItems::Application.routes.draw do
   get '/donate' => 'campaigns#current', as: :donate
 
   # Static pages!
-  get 'image-mode' => 'static#image_mode', :as => :image_mode
   get '/pardon-our-dust' => 'static#pardon_our_dust', :as => :pardon_our_dust
   get '/terms' => redirect("https://impress-2020.openneo.net/terms"), :as => :terms
 

db/migrate/20231111232015_remove_image_mode_tester_from_users.rb

@@ -0,0 +1,5 @@
+class RemoveImageModeTesterFromUsers < ActiveRecord::Migration[7.1]
+  def change
+    remove_column :users, :image_mode_tester, :boolean, default: false, null: false
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2023_11_10_043543) do
+ActiveRecord::Schema[7.1].define(version: 2023_11_11_232015) do
   create_table "auth_servers", id: :integer, charset: "latin1", force: :cascade do |t|
     t.string "short_name", limit: 10, null: false
     t.string "name", limit: 40, null: false
@@ -278,7 +278,6 @@ ActiveRecord::Schema[7.1].define(version: 2023_11_10_043543) do
     t.boolean "beta", default: false, null: false
     t.string "remember_token"
     t.datetime "remember_created_at", precision: nil
-    t.boolean "image_mode_tester", default: false, null: false
     t.integer "owned_closet_hangers_visibility", default: 1, null: false
     t.integer "wanted_closet_hangers_visibility", default: 1, null: false
     t.integer "contact_neopets_connection_id"