RM JSbin - LC 2020 and Unmaintained

> IMPORTANT: this current version of jsbin (v4.x.x) is no longer actively maintained and the new version of jsbin (v5) is currently in active development. This means that pretty much all the docs in this repo will be soon out of date. Please be warned ❤️

README.md

@@ -1738,7 +1738,6 @@ _Related: [Booking and Scheduling](#booking-and-scheduling)_
 - [Hakatime](https://github.com/mujx/hakatime) - WakaTime server implementation with analytics dashboard. `Unlicense` `Haskell`
 - [HttPlaceholder](https://github.com/dukeofharen/httplaceholder) - Quickly mock away any webservice using HttPlaceholder. HttPlaceholder lets you specify what the request should look like and what response needs to be returned. `MIT` `C#`
 - [ICEcoder](https://icecoder.net/) - ICEcoder is a web IDE / browser based code editor, which allows you to develop websites directly within the web browser. ([Demo](http://demo.icecoder.net/ICEcoder/), [Source Code](https://github.com/icecoder/ICEcoder)) `MIT` `PHP`
-- [JS Bin](https://jsbin.com/) - Open source collaborative web development debugging tool. ([Source Code](https://github.com/jsbin/jsbin)) `MIT` `Nodejs`
 - [Judge0 CE](https://judge0.com) - Open source API to compile and run source code. ([Source Code](https://github.com/judge0/judge0)) `GPL-3.0` `Ruby`
 - [JupyterLab](https://jupyterlab.github.io/jupyterlab/) - Web-based environment for interactive and reproducible computing. ([Demo](https://mybinder.org/v2/gh/jupyterlab/jupyterlab-demo/try.jupyter.org?urlpath=lab), [Source Code](https://github.com/jupyterlab/jupyterlab/)) `BSD-3-Clause` `Python/Docker`
 - [Lowdefy](https://www.lowdefy.com/) - Build internal tools, BI dashboards, admin panels, CRUD apps and workflows in minutes using YAML / JSON on an self-hosted, open-source platform. Connect to your data sources, host via Serverless, Netlify or Docker. ([Source Code](https://github.com/lowdefy/lowdefy)) `Apache-2.0` `Nodejs`