Don't locally build selenium-webdriver anymore

.travis.yml

@@ -121,13 +121,6 @@ matrix:
     - rvm: ruby-head
 before_install:
   - gem update --system
-  - if [[ $BUNDLE_GEMFILE =~ Gemfile.edge-firefox$ ]]; then
-      pushd ..;
-      git clone --depth 1 https://github.com/SeleniumHQ/selenium.git;
-      cd selenium; ./go //rb:gem:build;
-      popd;
-      bundle config local.selenium-webdriver ../selenium/build/rb;
-    fi
 before_script:
   - if [[ -z $HEADLESS && -z $CAPYBARA_REMOTE ]]; then
       mkdir -p ~/.config/awesome;

gemfiles/Gemfile.edge-firefox

@@ -5,8 +5,8 @@ gemspec path: '..'
 
 gem 'xpath', github: 'teamcapybara/xpath'
 
-gem 'selenium-webdriver', :path => '../../selenium/build/rb'
-gem 'webdrivers', github: 'titusfortner/webdrivers', branch: 'edge_chrome'
+gem 'selenium-webdriver', '>= 4.0.0.beta2'
+gem 'webdrivers', github: 'titusfortner/webdrivers', branch: 'master'
 gem 'rack', github: 'rack/rack'
 gem 'sinatra', github: 'sinatra/sinatra', branch: 'master'