Rubyinstaller2 fixed this

Author: deivid-rodriguez

bundler/spec/install/gems/standalone_spec.rb

@@ -173,14 +173,6 @@
 
  bundle "config set --local path #{bundled_app("bundle")}"
 
- # Make sure rubyinstaller2 does not activate the etc gem in its
- # `operating_system.rb` file, but completely disable that since it's not
- # really needed here
- if Gem.win_platform?
- FileUtils.mkdir_p bundled_app("rubygems/defaults")
- FileUtils.touch bundled_app("rubygems/defaults/operating_system.rb")
- end
-
  bundle :install, standalone: true, dir: cwd, env: { "BUNDLER_GEM_DEFAULT_DIR" => system_gem_path.to_s }, load_path: bundled_app
 
  load_path_lines = bundled_app("bundle/bundler/setup.rb").read.split("\n").select {|line| line.start_with?("$:.unshift") }
@@ -212,14 +204,6 @@
 
  bundle "lock", dir: cwd
 
- # Make sure rubyinstaller2 does not activate the etc gem in its
- # `operating_system.rb` file, but completely disable that since it's not
- # really needed here
- if Gem.win_platform?
- FileUtils.mkdir_p bundled_app("rubygems/defaults")
- FileUtils.touch bundled_app("rubygems/defaults/operating_system.rb")
- end
-
  bundle :install, standalone: true, dir: cwd, env: { "BUNDLER_GEM_DEFAULT_DIR" => system_gem_path.to_s }, load_path: bundled_app
  end