Removed Gekko entry as ARCHIVED (#2559)

Signed-off-by: Akashdeep Dhar <akashdeep.dhar@gmail.com>

README.md

@@ -143,7 +143,6 @@ _See also [Internet of Things (IoT)](#internet-of-things-iot)_
 - [Episodes](https://github.com/guptachetan1997/Episodes) `⚠` - Self Hosted TV show Episode tracker and recommender built using django, bootstrap4. `MIT` `Python`
 - [feed2toot](https://feed2toot.readthedocs.io/) - Feed2toot parses a RSS feed, extracts the last entries and sends them to Mastodon. ([Source Code](https://gitlab.com/chaica/feed2toot)) `GPL-3.0` `Python`
 - [feedmixer](https://github.com/cristoper/feedmixer) - FeedMixer is a WSGI (Python3) micro web service which takes a list of feed URLs and returns a new feed consisting of the most recent n entries from each given feed(Returns Atom, RSS, or JSON). ([Demo](https://mretc.net/feedmixer/json?f=http://hnrss.org/newest&f=http://americancynic.net/atom.xml&n=1)) `WTFPL` `Python`
-- [Gekko](https://gekko.wizb.it/) - Gekko is a Bitcoin TA trading and backtesting bot which support multiple exchanges and cryptocurrencies. ([Source Code](https://github.com/askmike/gekko)) `MIT` `Nodejs`
 - [Headphones](https://github.com/rembo10/headphones) - Automated music downloader for NZB and Torrent, written in Python. It supports SABnzbd, NZBget, Transmission, µTorrent, Deluge and Blackhole. `GPL-3.0` `Python`
 - [Healthchecks](https://healthchecks.io/) - Django app which listens for pings and sends alerts when pings are late. ([Source Code](https://github.com/healthchecks/healthchecks)) `BSD-3-Clause` `Python`
 - [homebank-converter](https://github.com/Binnette/homebank-converter) - Web app to convert an export bank file to compatible Homebank csv. ([Demo](http://binnette.github.io/homebank-converter/)) `AGPL-3.0` `HTML5`