Merge pull request #5192 from amatsuda/rdoc_task_19

no need to rescue when requiring 'rdoc/task' in Ruby >= 1.9

railties/lib/rails/generators/rails/plugin_new/templates/Rakefile

@@ -4,13 +4,8 @@ begin
 rescue LoadError
   puts 'You must `gem install bundler` and `bundle install` to run rake tasks'
 end
-begin
-  require 'rdoc/task'
-rescue LoadError
-  require 'rdoc/rdoc'
-  require 'rake/rdoctask'
-  RDoc::Task = Rake::RDocTask
-end
+
+require 'rdoc/task'
 
 RDoc::Task.new(:rdoc) do |rdoc|
   rdoc.rdoc_dir = 'rdoc'

railties/lib/rails/tasks/documentation.rake

@@ -1,10 +1,4 @@
-begin
-  require 'rdoc/task'
-rescue LoadError
-  require 'rdoc/rdoc'
-  require 'rake/rdoctask'
-  RDoc::Task = Rake::RDocTask
-end
+require 'rdoc/task'
 
 # Monkey-patch to remove redoc'ing and clobber descriptions to cut down on rake -T noise
 class RDocTaskWithoutDescriptions < RDoc::Task