readme: Remove google group
*Thank you for taking the time to contribute!*
## Table of Contents
-[Resources](#resources)
-
[How To Contribute](#how-to-contribute)
* [Reporting an Issue & Feature Suggestions](#reporting-an-issue--feature-suggestions)
* [Pull Requests](#pull-requests)
* [License](#license)
* [Contributor's Declaration](#contributors-declaration)
-## Resources
-[mpiFileUtils Google Group](https://groups.google.com/forum/#!forum/mpifileutils)
-
## How To Contribute
### Reporting an Issue & Feature Suggestions
