Update used dependencies

Author: flash-gordon

Gemfile

@@ -9,12 +9,9 @@ group :development, :test do
 end
 
 group :test do
-  platform :mri do
-    gem "codeclimate-test-reporter", require: false
-    gem 'simplecov', require: false
-  end
+  gem 'simplecov', require: false, platform: :mri
 end
 
 group :tools do
-  gem 'ossy', git: 'https://github.com/solnic/ossy.git', branch: 'master'
+  gem 'ossy', git: 'https://github.com/solnic/ossy.git', branch: 'master', platform: :mri
 end