message: fix(core): Clean up readme
diff: ## A framework for real-time applications and REST APIs with JavaScript and TypeScript
  -[![Greenkeeper badge](https://badges.greenkeeper.io/feathersjs/feathers.svg)](https://greenkeeper.io/)
  [![CI](https://github.com/feathersjs/feathers/workflows/CI/badge.svg)](https://github.com/feathersjs/feathers/actions?query=workflow%3ACI)
  [![Maintainability](https://api.codeclimate.com/v1/badges/cb5ec42a2d0cc1a47a02/maintainability)](https://codeclimate.com/github/feathersjs/feathers/maintainability)
  [![Test Coverage](https://api.codeclimate.com/v1/badges/cb5ec42a2d0cc1a47a02/test_coverage)](https://codeclimate.com/github/feathersjs/feathers/test_coverage)
  [![Download Status](https://img.shields.io/npm/dm/@feathersjs/feathers.svg?style=flat-square)](https://www.npmjs.com/package/@feathersjs/feathers)
  -[![Slack Status](http://slack.feathersjs.com/badge.svg)](http://slack.feathersjs.com)
  -[![Telegram Status](https://img.shields.io/badge/Telegram_RU_chat:-Feathers-216bc1.svg?style=flat)](https://t.me/featherjs)
  -
  Feathers is a lightweight web-framework for creating real-time applications and REST APIs using JavaScript or TypeScript.
  Feathers can interact with any backend technology, supports over a dozen databases and works with any frontend technology like React, VueJS, Angular, React Native, Android or iOS.
  