delete .manifest file, crazy .autotest monkeypatches

Rakefile

@@ -24,25 +24,6 @@ Rake::RDocTask.new(:rdoc) do |rdoc|
   rdoc.options << '--webcvs=http://github.com/mislav/will_paginate/tree/master/'
 end
 
-desc %{Update ".manifest" with the latest list of project filenames. Respect\
-.gitignore by excluding everything that git ignores. Update `files` and\
-`test_files` arrays in "*.gemspec" file if it's present.}
-task :manifest do
-  list = `git ls-files --full-name -x *.gemspec -x website`.chomp.split("\n")
-
-  if spec_file = Dir['*.gemspec'].first
-    spec = File.read spec_file
-    spec.gsub! /^(\s* s.(test_)?files \s* = \s* )( \[ [^\]]* \] | %w\( [^)]* \) )/mx do
-      assignment = $1
-      bunch = $2 ? list.grep(/^(test|spec)\//) : list
-      '%s%%w(%s)' % [assignment, bunch.join(' ')]
-    end
-
-    File.open(spec_file, 'w') { |f| f << spec }
-  end
-  File.open('.manifest', 'w') { |f| f << list.join("\n") }
-end
-
 task :website do
   Dir.chdir('website') do
     %x(haml index.haml index.html)