Remove the github changelog generator task

Signed-off-by: Tim Smith <[email protected]>

Rakefile

@@ -24,20 +24,3 @@ task :quality => [:style, :stats]
 
 require "yard"
 YARD::Rake::YardocTask.new
-
-begin
-  task :default => [:test, :quality]
-
-  require "github_changelog_generator/task"
-  GitHubChangelogGenerator::RakeTask.new :changelog do |config|
-    config.future_release = Kitchen::Driver::EC2_VERSION
-    config.enhancement_labels = "enhancement,Enhancement,New Feature,Feature".split(",")
-    config.bug_labels = "bug,Bug,Improvement".split(",")
-    config.exclude_labels = "duplicate,question,invalid,wontfix,no_changelog," \
-                            ",Exclude From Changelog,Question,Upstream Bug,Discussion".split(",")
-  end
-rescue LoadError
-  task :changelog do
-    raise "github_changelog_generator not installed! gem install github_changelog_generator."
-  end
-end