Update README.md

Took out the twitter link as it was breaking the link checker due to a problem on twitter's side.

README.md

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 > Geoscience is [awesome](awesome.md).
 
 [![Awesome](https://raw.githubusercontent.com/softwareunderground/awesome-open-geoscience/master/media/icon/badge.svg)](https://github.com/sindresorhus/awesome) [![.github/workflows/link_checker.yml](https://github.com/softwareunderground/awesome-open-geoscience/actions/workflows/link_checker.yml/badge.svg)](https://github.com/softwareunderground/awesome-open-geoscience/actions/workflows/link_checker.yml) [![Contributions](https://img.shields.io/github/issues-pr-closed-raw/softwareunderground/awesome-open-geoscience.svg?label=contributions)](https://github.com/softwareunderground/awesome-open-geoscience/pulls) [![Commits](https://img.shields.io/github/last-commit/softwareunderground/awesome-open-geoscience.svg?label=last%20contribution)](https://github.com/softwareunderground/awesome-open-geoscience/commits/main) [![Chat on slack](https://img.shields.io/badge/slack-join-ff69b4.svg)](https://swung.slack.com/join/shared_invite/enQtNTczNjM4ODMxODMwLTQ3Yjk3MjFmOTJkYzUyZDU3OGI3ZmJhMzIyNzQxYjcyZDM5MWU4OTVmNTBiOTM4Zjg1ZDViOGM3NmQ4OTgzOTk) [![License](https://img.shields.io/github/license/softwareunderground/awesome-open-geoscience.svg)](https://github.com/softwareunderground/awesome-open-geoscience/blob/master/LICENSE)
-[![Twitter](https://img.shields.io/twitter/url?style=social&url=https%3A%2F%2Fgithub.com%2Fsoftwareunderground%2Fawesome-open-geoscience)](https://twitter.com/intent/tweet?text=Wow:&url=https%3A%2F%2Fgithub.com%2Fsoftwareunderground%2Fawesome-open-geoscience)
 
 Open geoscience is even more awesome, so we made a list. This list is curated from repositories that make our lives as geoscientists, hackers and data wranglers easier or just more awesome. In accordance with the awesome manifesto, we add awesome repositories. We are open to [contributions](contributing.md) of course, this is a community effort after all.