Remove annoying progress reporter

Author: bf4

active_model_serializers.gemspec

@@ -54,7 +54,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'bundler', '~> 1.6'
   spec.add_development_dependency 'simplecov', '~> 0.11'
   spec.add_development_dependency 'timecop', '~> 0.7'
-  spec.add_development_dependency 'minitest-reporters'
   spec.add_development_dependency 'grape', ['>= 0.13', '< 1.0']
   spec.add_development_dependency 'json_schema'
   spec.add_development_dependency 'rake', ['>= 10.0', '< 12.0']

test/test_helper.rb

@@ -36,8 +36,6 @@
   # https://github.com/seattlerb/minitest/blob/e21fdda9d/lib/minitest/autorun.rb
   # https://github.com/seattlerb/minitest/blob/e21fdda9d/lib/minitest.rb#L45-L59
 end
-require 'minitest/reporters'
-Minitest::Reporters.use!
 
 require 'support/rails_app'