Remove coveralls

Gemfile

@@ -10,7 +10,6 @@ group :development do
 end
 
 group :test do
-  gem 'coveralls'
   gem 'hashie', '~> 2.0.5', :platforms => [:jruby_18, :ruby_18]
   gem 'json', '~> 1.8', :platforms => [:jruby_18, :jruby_19, :ruby_18, :ruby_19]
   gem 'mime-types', '~> 1.25', :platforms => [:jruby_18, :ruby_18]

spec/helper.rb

@@ -1,8 +1,5 @@
 if RUBY_VERSION >= '1.9'
   require 'simplecov'
-  require 'coveralls'
-
-  SimpleCov.formatters = [SimpleCov::Formatter::HTMLFormatter, Coveralls::SimpleCov::Formatter]
 
   SimpleCov.start do
     add_filter '/spec/'