rb-readline still needed in Ruby 2.7?

I am updating an ancient Ruby on Rails project. One of the Gems I have found is rb-readline, which seems to be dead. The Readme of the Gem says that it is a pure-Ruby implementation of readline basically because getting readline on Windows is a problem (the Readme file dates from 2016). Now I am on a Mac and anyway, this is all such a long time ago. Am I right in supposing I can delete the Gem?

Solution

As @max has stated in his comment, the Gem can be safely deleted.

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