Remove documentation sync rake task

Rakefile

@@ -30,11 +30,6 @@ task :coverage do
   system "rcov --rails --sort coverage -Ilib #{files.join(' ')}"
 end
 
-desc 'Update documentation on website'
-task :sync_docs => 'rdoc' do
-  `rsync -ave ssh doc/ dev@dev.thoughtbot.com:/home/dev/www/dev.thoughtbot.com/shoulda`
-end
-
 desc 'Default: run tests for all supported versions of Rails'
 task :default do
   %w(2.3.8 3.0.0.beta4).each do |version|
@@ -50,4 +45,3 @@ end
 
 desc "Clean files generated by rake tasks"
 task :clobber => [:clobber_rdoc, :clobber_package]
-