Remove Bundler code.

.gitignore

@@ -1,4 +1,3 @@
-#Ruby gem
 *.gem
 .idea/
-*.lock
+*.lock

Rakefile

@@ -1,12 +1,8 @@
-require 'bundler'
 require 'rake'
 require 'rake/testtask'
 
-# Add build, install, and release tasks.
-Bundler::GemHelper.install_tasks
-
 Rake::TestTask.new do |t|
   t.test_files = %w(test/twine_test.rb)
 end
 
-task :default => :test
+task :default => :test

lib/twine/plugin.rb

@@ -59,4 +59,4 @@ module Twine
       File.expand_path File.join *paths
     end
   end
-end
+end