docs: remove Google Group link from README
@@ -297,7 +297,6 @@ If you have ACH-specific questions, NACHA (National Automated Clearing House Ass
channel | info
------- | -------
[Project Documentation](./docs/#moov-ach) | Our project documentation available online.
- Google Group [moov-users](https://groups.google.com/forum/#!forum/moov-users)| The Moov users Google group is for contributors other people contributing to the Moov project. You can join them without a google account by sending an email to [moov-users+subscribe@googlegroups.com](mailto:moov-users+subscribe@googlegroups.com). After receiving the join-request message, you can simply reply to that to confirm the subscription.
Twitter [@moov_io](https://twitter.com/moov_io) | You can follow Moov.IO's Twitter feed to get updates on our project(s). You can also tweet us questions or just share blogs or stories.
[GitHub Issue](https://github.com/moov-io/ach/issues/new) | If you are able to reproduce a problem please open a GitHub Issue under the specific project that caused the error.
[moov-io slack](https://slack.moov.io/) | Join our slack channel to have an interactive discussion about the development of the project.
