Remove commented lines from Gemfile

Author: Sebastian Gumprich

Gemfile

@@ -4,19 +4,15 @@ source 'https://rubygems.org'
 
 group :test do
   gem 'rake'
-#  gem 'chefspec',   '~> 4.2.0'
   gem 'foodcritic', '~> 4.0'
   gem 'thor-foodcritic'
-#  gem 'rubocop',    '~> 0.28.0'
   gem 'coveralls',  require: false
 end
 
 group :development do
   gem 'guard'
   gem 'guard-rspec'
   gem 'guard-kitchen'
-#  gem 'guard-rubocop'
-#  gem 'guard-foodcritic'
 end
 
 group :integration do