removed rdoc

Rakefile

@@ -7,19 +7,10 @@ rescue LoadError
 end
 
 require 'rake'
-require 'rake/rdoctask'
 
 require 'rspec/core'
 require 'rspec/core/rake_task'
 
 RSpec::Core::RakeTask.new(:spec)
 
 task :default => :spec
-
-Rake::RDocTask.new(:rdoc) do |rdoc|
-  rdoc.rdoc_dir = 'rdoc'
-  rdoc.title    = 'IscAnalytics'
-  rdoc.options << '--line-numbers' << '--inline-source'
-  rdoc.rdoc_files.include('README.rdoc')
-  rdoc.rdoc_files.include('lib/**/*.rb')
-end