Remove irb workaround

There has been a new release (for reline as well) so I think this can be removed now

Author: Earlopain

nightly-versions.rb

@@ -7,9 +7,6 @@
 latest_release = current_json.compact.keys.max_by(&:to_f)
 donor = current_json[latest_release]
 
-# Until irb releases a new version (current 1.15.1)
-donor["variants"].delete_if { |v| v.include?("bullseye")  }
-
 uri = URI("https://cache.ruby-lang.org/pub/ruby/snapshot/snapshot-master.json")
 res = Net::HTTP.get_response(uri)
 raise StandardError, "Got status code #{res.code}: #{res.body}" unless res.code == "200"

variants.rb

@@ -5,7 +5,4 @@
 json = JSON.parse(File.read("docker-ruby/versions.json"))
 latest_release = json.compact.keys.max_by(&:to_f)
 
-# Until irb releases a new version (current 1.15.1)
-json[latest_release]["variants"].delete_if { |v| v.include?("bullseye")  }
-
 puts json[latest_release]["variants"].to_json