Gemfile in dingtalk-robot-0.1.0 vs Gemfile in dingtalk-robot-0.2.0

@@ -5,10 +5,9 @@
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }
 
 # Specify your gem's dependencies in active_notifier.gemspec
 gemspec
 
-gem 'bundler', '~> 1.16'
 gem 'byebug'
 gem 'codecov', '>= 0.1.10', require: false
 gem 'rake', '~> 10.0'
 gem 'rspec', '~> 3.7', require: false
 gem 'rubocop', '~> 0.58.1', require: false