This was added to fix a nightly issue in https://github.com/solana-playground/solana-playground/pull/57. It probably doesn't exist anymore since you also removed the solana-frozen-abi dependency, but could you double check to make sure?

This was added to fix a nightly issue in https://github.com/solana-playground/solana-playground/pull/57. It probably doesn't exist anymore since you also removed the solana-frozen-abi dependency, but could you double check to make sure? #136