remove bundler dependencie.

Gemfile

@@ -1,12 +1,9 @@
 source 'https://rubygems.org'
 
-# Specify your gem's dependencies in vagrant-lxd.gemspec
-#gemspec
-
 group :development do
   gem "vagrant", git: "https://github.com/mitchellh/vagrant.git"
 end
 
 group :plugins do
-  gem "vagrant-lxd", path: "."
+  gemspec
 end

lib/vagrant-lxd.rb

@@ -1,10 +1,2 @@
-require 'bundler'
-
-begin
-  require 'vagrant'
-rescue LoadError
-  Bundler.require(:default, :development)
-end
-
 require 'vagrant-lxd/version'
 require 'vagrant-lxd/plugin'

vagrant-lxd.gemspec

@@ -27,7 +27,4 @@ Gem::Specification.new do |spec|
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
-
-  spec.add_development_dependency "bundler", "~> 1.13"
-  spec.add_development_dependency "rake", "~> 10.0"
 end