Abandon ci_reporter dependency

We no longer run Ruby tests on Jenkins and thus there is no point in
depending on ci_reporter anymore.

rake-tasks/crazy_fun/mappings/ruby.rb

@@ -101,12 +101,10 @@ def handle(_fun, dir, args)
           ENV['WD_SPEC_DRIVER'] = args[:name].tr('-', '_')
         end
 
-        ENV['CI_REPORTS']     = "build/test_logs"
-
         ruby :include => args[:include],
              :require => args[:require],
              :command => args[:command],
-             :args    => %w[--format CI::Reporter::RSpec --format doc --color] + (!!ENV['example'] ? ['--example', ENV['example']] : []),
+             :args    => %w[--format doc --color] + (!!ENV['example'] ? ['--example', ENV['example']] : []),
              :debug   => !!ENV['log'],
              :files   => args[:srcs],
              :gemfile => "build/rb/Gemfile"

rb/selenium-webdriver.gemspec

@@ -27,7 +27,6 @@ HTML of the application.'
 
   s.add_development_dependency 'rspec', ['~> 3.0']
   s.add_development_dependency 'rack', ['~> 1.0']
-  s.add_development_dependency 'ci_reporter', ['~> 1.6', '>= 1.6.2']
   s.add_development_dependency 'webmock', ['~> 2.0']
   s.add_development_dependency 'yard', ['~> 0.8.7']
 end

rb/spec/integration/selenium/webdriver/spec_helper.rb

@@ -20,7 +20,6 @@
 require 'rubygems'
 require 'time'
 require 'rspec'
-require 'ci/reporter/rspec'
 
 require 'selenium-webdriver'
 require_relative 'spec_support'

rb/spec/unit/selenium/webdriver/spec_helper.rb

@@ -20,7 +20,6 @@
 require 'rubygems'
 require 'time'
 require 'rspec'
-require 'ci/reporter/rspec'
 require 'webmock/rspec'
 require 'selenium-webdriver'
 require 'securerandom'