Removed 'Caching with Rails' guide from WIP, this guide isn't ready to

be published and requires more attention. [ci skip]

guides/source/documents.yaml

@@ -95,11 +95,6 @@
       name: Rails Command Line Tools and Rake Tasks
       url: command_line.html
       description: This guide covers the command line tools and rake tasks provided by Rails.
-    -
-      name: Caching with Rails
-      work_in_progress: true
-      url: caching_with_rails.html
-      description: Various caching techniques provided by Rails.
     -
       name: Asset Pipeline
       url: asset_pipeline.html