Update GitHub CI

- Remove unused reviewdoc
- Remove simplecov-cobertura
- simplecov-html is a dependency of simplecov, so we do not need it in
gemspec

Author: robertcheramy

.github/workflows/ruby.yml

@@ -31,11 +31,5 @@ jobs:
       with:
         ruby-version: ${{ matrix.ruby-version }}
         bundler-cache: true # runs 'bundle install' and caches installed gems automatically
-    - name: rubocop
-      uses: reviewdog/action-rubocop@v2
-      with:
-        rubocop_version: gemfile
-        rubocop_extensions: rubocop-minitest:gemfile rubocop-rake:gemfile rubocop-sequel:gemfile
-        reporter: github-pr-review
     - name: Run tests
       run: bundle exec rake

oxidized.gemspec

@@ -56,8 +56,6 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rubocop-rake',        '~> 0.7.0'
   s.add_development_dependency 'rubocop-sequel',      '~> 0.3.3'
   s.add_development_dependency 'simplecov',           '~> 0.22.0'
-  s.add_development_dependency 'simplecov-cobertura', '~> 2.1.0'
-  s.add_development_dependency 'simplecov-html',      '~> 0.13.1'
 
   # Dependencies on optional libraries, used for unit tests & development
   s.add_development_dependency 'oxidized-web',        '>= 0.15.0'

spec/spec_helper.rb

@@ -1,18 +1,5 @@
 require 'simplecov'
-require 'simplecov-cobertura'
-
-SimpleCov.start do
-  if ENV['CI']
-    formatter SimpleCov::Formatter::CoberturaFormatter
-  else
-    formatter SimpleCov::Formatter::MultiFormatter.new(
-      [
-        SimpleCov::Formatter::CoberturaFormatter,
-        SimpleCov::Formatter::HTMLFormatter
-      ]
-    )
-  end
-end
+SimpleCov.start
 
 require 'minitest/autorun'
 require 'mocha/minitest'