Gem::RDoc#remove

# File tmp/rubies/ruby-3.4.1/lib/rdoc/rubygems_hook.rb, line 297
def remove
  # Do nothing if this is NOT a default gem.
  return unless self.class.default_gem?

  # Remove generated document for compatibility if this is a
  # default gem.
  RubyGemsHook.new(@spec).remove
end