activesupport5.gemfile in clockwork-3.0.0

- old
+ new

@@ -1,11 +1,5 @@
 source 'https://rubygems.org'
 
-platforms :rbx do
-  gem 'rubysl', '~> 2.0'
-  gem 'rubysl-test-unit'
-  gem 'rubinius-developer_tools'
-end
-
 gem 'activesupport', '~> 5.0'
 gem 'minitest', '~> 5.0'
 gemspec :path=>"../"