Rakefile in write_xlsx-0.51.0 vs Rakefile in write_xlsx-0.54.0

@@ -1,78 +1,11 @@
-# encoding: utf-8
-
+require "bundler/gem_tasks"
 require 'rubygems'
-require 'bundler'
-begin
-  Bundler.setup(:default, :development)
-rescue Bundler::BundlerError => e
-  $stderr.puts e.message
-  $stderr.puts "Run `bundle install` to install missing gems"
-  exit e.status_code
-end
-require 'rake'
 
-require 'jeweler'
-Jeweler::Tasks.new do |gem|
-  # gem is a Gem::Specification... see http://docs.rubygems.org/read/chapter/20 for more options
-  gem.name = "write_xlsx"
-  gem.homepage = "http://github.com/cxn03651/write_xlsx"
-  gem.license = "MIT"
-  gem.summary = %Q{write_xlsx is a gem to create a new file in the Excel 2007+ XLSX format.}
-  gem.description = <<EOS
-write_xlsx s a gem to create a new file in the Excel 2007+ XLSX format, and you can use the same interface as writeexcel gem.
-The WriteXLSX supports the following features:
-  * Multiple worksheets
-  * Strings and numbers
-  * Unicode text
-  * Rich string formats
-  * Formulas (including array formats)
-  * cell formatting
-  * Embedded images
-  * Charts
-  * Autofilters
-  * Data validation
-  * Hyperlinks
-  * Defined names
-  * Grouping/Outlines
-  * Cell comments
-  * Panes
-  * Page set-up and printing options
+task :default => :test
 
-write_xlsx uses the same interface as writeexcel gem.
-
-documentation is not completed, but writeexcel’s documentation will help you. See http://writeexcel.web.fc2.com/
-
-And you can find many examples in this gem.
-EOS
-  gem.email = "[e-mail]"
-  gem.authors = ["Hideo NAKAMURA"]
-  # dependencies defined in Gemfile
-end
-Jeweler::RubygemsDotOrgTasks.new
-
 require 'rake/testtask'
-Rake::TestTask.new(:test) do |test|
-  test.libs << 'lib' << 'test'
+Rake::TestTask.new do |test|
+  test.libs << 'test'
   test.pattern = 'test/**/test_*.rb'
   test.verbose = true
-end
-
-# require 'rcov/rcovtask'
-# Rcov::RcovTask.new do |test|
-#   test.libs << 'test'
-#   test.pattern = 'test/**/test_*.rb'
-#   test.verbose = true
-#   test.rcov_opts << '--exclude "gems/*"'
-# end
-
-task :default => :test
-
-require 'rdoc/task'
-Rake::RDocTask.new do |rdoc|
-  version = File.exist?('VERSION') ? File.read('VERSION') : ""
-
-  rdoc.rdoc_dir = 'rdoc'
-  rdoc.title = "write_xlsx #{version}"
-  rdoc.rdoc_files.include('README*')
-  rdoc.rdoc_files.include('lib/**/*.rb')
 end