rails_5_2.gemfile in haml-rails-2.1.0

- old
+ new

@@ -1,10 +1,8 @@
 # This file was generated by Appraisal
 
 source "https://rubygems.org"
 
-gem "rubysl", "~> 2.0", :platforms => :rbx
-gem "minitest", :platforms => :rbx
 gem "html2haml"
 gem "rails", "~> 5.2.0"
 
-gemspec :path => "../"
+gemspec path: "../"