Merge pull request #312 from prometheus/sinjo-yeet-gems

Yeet `term-ansicolor` and `tins` from test dependencies

Author: Sinjo

Gemfile

@@ -9,6 +9,4 @@ group :test do
  gem 'rack-test'
  gem 'rake'
  gem 'rspec'
- gem 'term-ansicolor'
- gem 'tins'
 end