chore: remove elfy from rollup

web3.js/README.md

@@ -6,7 +6,9 @@
 [![npm-downloads][npm-downloads-image]][npm-url]
 [![david][david-deps-image]][david-deps-url]
 [![david][david-dev-deps-image]][david-dev-deps-url]
+<br>
 [![semantic-release][semantic-release-image]][semantic-release-url]
+[![code-style-prettier][code-style-prettier-image]][code-style-prettier-url]
 
 [travis-image]: https://api.travis-ci.org/solana-labs/solana-web3.js.svg?branch=master
 [travis-url]: https://travis-ci.org/solana-labs/solana-web3.js
@@ -23,6 +25,8 @@
 [david-dev-deps-url]: https://david-dm.org/solana-labs/solana-web3.js?type=dev
 [semantic-release-image]: https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg
 [semantic-release-url]: https://github.com/semantic-release/semantic-release
+[code-style-prettier-image]: https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square
+[code-style-prettier-url]: https://github.com/prettier/prettier
 
 # Solana JavaScript API
 

web3.js/rollup.config.js

@@ -90,7 +90,6 @@ function generateConfig(configType) {
         'bn.js',
         'bs58',
         'buffer-layout',
-        'elfy',
         'jayson/lib/client/browser',
         'node-fetch',
         'rpc-websockets',