removed small image support

config/danbooru_default_config.rb

@@ -68,11 +68,6 @@ module Danbooru
       150
     end
     
-    # Medium resize image width. Set to nil to disable.
-    def medium_image_width
-      480
-    end
-    
     # Large resize image width. Set to nil to disable.
     def large_image_width
       960

config/deploy.rb

@@ -44,7 +44,6 @@ namespace :data do
   task :setup_directories do
     run "mkdir -p #{deploy_to}/shared/data"
     run "mkdir #{deploy_to}/shared/data/preview"
-    run "mkdir #{deploy_to}/shared/data/medium"
     run "mkdir #{deploy_to}/shared/data/large"
     run "mkdir #{deploy_to}/shared/data/original"
   end