[rubygems/rubygems] Rubygems doesn't need to load the `resolv` library

https://github.com/rubygems/rubygems/commit/8bf41f53cc

lib/rubygems/remote_fetcher.rb

@@ -6,7 +6,6 @@ require 'rubygems/s3_uri_signer'
 require 'rubygems/uri_formatter'
 require 'rubygems/uri_parser'
 require 'rubygems/user_interaction'
-require 'resolv'
 
 ##
 # RemoteFetcher handles the details of fetching gems and gem information from