experimental! Remove bundler Ruby version resolution workarounds

Author: pirj

Gemfile

@@ -36,36 +36,7 @@ else
   MAJOR, MINOR = match.captures.map(&:to_i).compact
 end
 
-if MAJOR >= 6
-  gem 'selenium-webdriver', '~> 3.5', require: false
-  gem 'sqlite3', '~> 1.4', platforms: [:ruby]
-else
-  gem 'sqlite3', '~> 1.3.6', platforms: [:ruby]
-end
-
-gem 'ffi', '~> 1.9.25'
-
-gem 'rake', '~> 12'
-
-gem 'mime-types', "~> 3"
-
-if RUBY_VERSION.to_f < 2.3
-  gem 'capybara', '~> 3.1.0'
-elsif RUBY_VERSION.to_f < 2.4
-  gem 'capybara', '< 3.16'
-elsif RUBY_VERSION.to_f < 2.5
-  gem 'capybara', '< 3.33'
-else
-  gem 'capybara', '>= 2.13', '< 4.0', require: false
-end
-
-if MAJOR < 6
-  gem 'nokogiri', '1.9.1'
-else
-  gem 'nokogiri', '>= 1.10.8'
-end
-
-gem "rubyzip", '~> 1.2'
+gem 'capybara'
 
 if RUBY_VERSION.to_f >= 2.3
   gem 'rubocop', '~> 0.80.1'

Gemfile-rails-dependencies

@@ -18,7 +18,6 @@ when /stable$/
   gem_list = %w[rails railties actionmailer actionpack activerecord activesupport activejob actionview]
   gem 'puma', "3.12.1" if version > '5-0-stable'
   gem 'activerecord-jdbcsqlite3-adapter', git: 'https://github.com/jruby/activerecord-jdbc-adapter', platforms: [:jruby]
-  gem "sprockets", '~> 3.0' if RUBY_VERSION < '2.5'
 
   gem_list.each do |rails_gem|
     gem rails_gem, :git => "https://github.com/rails/rails.git", :branch => version
@@ -32,9 +31,5 @@ else
   gem "sprockets", '~> 3.0' if RUBY_VERSION < '2.5'
   gem "puma" if version >= '5-1-stable'
 
-  if version.gsub(/[^\d\.]/,'').to_f >= 6.0
-    gem "activerecord-jdbcsqlite3-adapter", "~> 60.0.rc1", platforms: [:jruby]
-  else
-    gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
-  end
+  gem 'activerecord-jdbcsqlite3-adapter', platforms: [:jruby]
 end