RDoc is no longer used.

tasks/rdoc.rake

@@ -1,30 +0,0 @@
-require 'rubygems'
-begin
-  # We prefer to use the RDoc gem over the site version.
-  gem 'rdoc'
-rescue Gem::LoadError
-end unless defined?(RDoc)
-
-require 'rdoc/task'
-require 'rake/clean'
-
-CLOBBER.include('doc', 'ri')
-CLOBBER.uniq!
-
-namespace :doc do
-  desc 'Generate RDoc documentation'
-  RDoc::Task.new do |rdoc|
-    rdoc.rdoc_dir = 'doc'
-    rdoc.title    = "#{PKG_NAME}-#{PKG_VERSION} Documentation"
-    rdoc.options << '--line-numbers' << 'cattr_accessor=object' <<
-      '--charset' << 'utf-8'
-    rdoc.template = "#{ENV['template']}.rb" if ENV['template']
-    rdoc.rdoc_files.include('README.md', 'CHANGELOG.md', 'LICENSE')
-    rdoc.rdoc_files.include('lib/**/*.rb')
-  end
-
-  desc 'Generate ri locally for testing'
-  task :ri do
-    sh 'rdoc --ri -o ri .'
-  end
-end